California pollen and allergy seasons
August outlookModerate
California has a long mild season, with olive and oak in spring, grass into early summer, and lighter weed pollen in the fall.
Twelve month pollen calendar
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LowModerateHighVery high
Dominant species in August
Sagebrush
Typical peak in August
No clear peak this month
Worst month of the year
March
Best month of the year
July
What is active in August
Sagebrushnot tracked live
Ragweed
Cities in California
| City | Today | Worst today | Typical in August |
|---|---|---|---|
| Riverside | Very Highas of Aug 8 | Grass | Moderate |
| Fresno | Very Highas of Aug 8 | Grass | Moderate |
| Victorville | Very Highas of Aug 8 | Grass | Moderate |
| Hemet | Very Highas of Aug 8 | Grass | Moderate |
| Merced | Very Highas of Aug 8 | Grass | Moderate |
| Clovis | Very Highas of Aug 8 | Grass | Moderate |
| Redding | Very Highas of Aug 8 | Grass | Moderate |
| Gilroy | Very Highas of Aug 8 | Grass | Moderate |
| Murrieta | Very Highas of Aug 8 | Grass | Moderate |
| Apple Valley | Very Highas of Aug 8 | Grass | Moderate |
| Camarillo | Very Highas of Aug 8 | Grass | Moderate |
| Redlands | Very Highas of Aug 8 | Grass | Moderate |
| Lake Elsinore | Very Highas of Aug 8 | Grass | Moderate |
| Tulare | Very Highas of Aug 8 | Grass | Moderate |
| Hanford | Very Highas of Aug 8 | Grass | Moderate |
| Colton | Very Highas of Aug 8 | Grass | Moderate |
| Palm Desert | Very Highas of Aug 8 | Grass | Moderate |
| Delano | Very Highas of Aug 8 | Grass | Moderate |
| Florin | Very Highas of Aug 8 | Mugwort | Moderate |
| Morgan Hill | Very Highas of Aug 8 | Grass | Moderate |
| Palm Springs | Very Highas of Aug 8 | Grass | Moderate |
| El Centro | Very Highas of Aug 8 | Grass | Moderate |
| Lompoc | Very Highas of Aug 8 | Grass | Moderate |
| Hollister | Very Highas of Aug 8 | Grass | Moderate |
| Coachella | Very Highas of Aug 8 | Grass | Moderate |
| Lathrop | Very Highas of Aug 8 | Grass | Moderate |
| Lemoore | Very Highas of Aug 8 | Grass | Moderate |
| Sanger | Very Highas of Aug 8 | Grass | Moderate |
| Reedley | Very Highas of Aug 8 | Grass | Moderate |
| Barstow | Very Highas of Aug 8 | Grass | Moderate |
| Loma Linda | Very Highas of Aug 8 | Grass | Moderate |
| Soledad | Very Highas of Aug 8 | Grass | Moderate |
| Bloomington | Very Highas of Aug 8 | Grass | Moderate |
| Oakdale | Very Highas of Aug 8 | Grass | Moderate |
| South Lake Tahoe | Very Highas of Aug 8 | Grass | Moderate |
| Oroville | Very Highas of Aug 8 | Grass | Moderate |
| Arroyo Grande | Very Highas of Aug 8 | Grass | Moderate |
| Blythe | Very Highas of Aug 8 | Grass | Moderate |
| Woodcrest | Very Highas of Aug 8 | Grass | Moderate |
| Live Oak | Very Highas of Aug 8 | Grass | Moderate |
| Clearlake | Very Highas of Aug 8 | Grass | Moderate |
| Ripon | Very Highas of Aug 8 | Grass | Moderate |
| Susanville | Very Highas of Aug 8 | Grass | Moderate |
| Red Bluff | Very Highas of Aug 8 | Grass | Moderate |
| Parlier | Very Highas of Aug 8 | Grass | Moderate |
| Salida | Very Highas of Aug 8 | Grass | Moderate |
| Hawaiian Gardens | Very Highas of Aug 8 | Mugwort | Moderate |
| Avenal | Very Highas of Aug 8 | Grass | Moderate |
| Grover Beach | Very Highas of Aug 8 | Grass | Moderate |
| Kingsburg | Very Highas of Aug 8 | Grass | Moderate |
| Lindsay | Very Highas of Aug 8 | Grass | Moderate |
| Mendota | Very Highas of Aug 8 | Grass | Moderate |
| Big Bear City | Very Highas of Aug 8 | Grass | Moderate |
| Tehachapi | Very Highas of Aug 8 | Grass | Moderate |
| Newman | Very Highas of Aug 8 | Grass | Moderate |
| Scotts Valley | Very Highas of Aug 8 | Grass | Moderate |
| University of California-Santa Barbara | Very Highas of Aug 8 | Grass | Moderate |
| Lakeland Village | Very Highas of Aug 8 | Grass | Moderate |
| Janesville | Very Highas of Aug 8 | Grass | Moderate |
| Murphys | Very Highas of Aug 8 | Grass | Moderate |
| Nevada City | Very Highas of Aug 8 | Grass | Moderate |
| Tres Pinos | Very Highas of Aug 8 | Grass | Moderate |
| Big Bear Lake | Very Highas of Aug 8 | Grass | Moderate |
| Markleeville | Very Highas of Aug 8 | Grass | Moderate |
| Hornbrook | Very Highas of Aug 8 | Grass | Moderate |
| Paso Robles | Very Highas of Aug 8 | Grass | Moderate |
| Tulelake | Very Highas of Aug 8 | Grass | Moderate |
| Mariposa | Very Highas of Aug 8 | Grass | Moderate |
| San Juan Bautista | Very Highas of Aug 8 | Grass | Moderate |
| Blue Lake | Very Highas of Aug 8 | Grass | Moderate |
| Crestline | Very Highas of Aug 8 | Grass | Moderate |
| Boonville | Very Highas of Aug 8 | Grass | Moderate |
| Hayfork | Very Highas of Aug 8 | Grass | Moderate |
| Escalon | Very Highas of Aug 8 | Grass | Moderate |
| Somerset | Very Highas of Aug 8 | Grass | Moderate |
| Al Tahoe | Very Highas of Aug 8 | Grass | Moderate |
| Lake Isabella | Very Highas of Aug 8 | Grass | Moderate |
| Gustine | Very Highas of Aug 8 | Grass | Moderate |
| Montague | Very Highas of Aug 8 | Grass | Moderate |
| San Andreas | Very Highas of Aug 8 | Grass | Moderate |
| Olympic Valley | Very Highas of Aug 8 | Grass | Moderate |
| Bystrom | Very Highas of Aug 8 | Grass | Moderate |
| Landers | Very Highas of Aug 8 | Grass | Moderate |
| Ferndale | Very Highas of Aug 8 | Grass | Moderate |
| Comptche | Very Highas of Aug 8 | Grass | Moderate |
| Arnold | Very Highas of Aug 8 | Grass | Moderate |
| Snelling | Very Highas of Aug 8 | Grass | Moderate |
| Mount Shasta | Very Highas of Aug 8 | Grass | Moderate |
| Quincy | Very Highas of Aug 8 | Grass | Moderate |
| Burnt Ranch | Very Highas of Aug 8 | Grass | Moderate |
| Lake Arrowhead | Very Highas of Aug 8 | Grass | Moderate |
| Mammoth Lakes | Very Highas of Aug 8 | Grass | Moderate |
| Thermal | Very Highas of Aug 8 | Grass | Moderate |
| Edna | Very Highas of Aug 8 | Grass | Moderate |
| North Fork | Very Highas of Aug 8 | Grass | Moderate |
| Oak Glen | Very Highas of Aug 8 | Grass | Moderate |
| Tarpey Village | Very Highas of Aug 8 | Grass | Moderate |
| Gridley | Very Highas of Aug 8 | Grass | Moderate |
| Los Angeles | Highas of Aug 8 | Mugwort | Moderate |
| San Diego | Highas of Aug 8 | Mugwort | Moderate |
| Mission Viejo | Highas of Aug 8 | Mugwort | Moderate |
| Bakersfield | Highas of Aug 8 | Grass | Moderate |
| Stockton | Highas of Aug 8 | Grass | Moderate |
| Oxnard | Highas of Aug 8 | Grass | Moderate |
| Modesto | Highas of Aug 8 | Grass | Moderate |
| Anaheim | Highas of Aug 8 | Mugwort | Moderate |
| Irvine | Highas of Aug 8 | Mugwort | Moderate |
| Santa Rosa | Highas of Aug 8 | Grass | Moderate |
| Chula Vista | Highas of Aug 8 | Mugwort | Moderate |
| Fremont | Highas of Aug 8 | Mugwort | Moderate |
| Santa Barbara | Highas of Aug 8 | Grass | Moderate |
| Glendale | Highas of Aug 8 | Mugwort | Moderate |
| Elk Grove | Highas of Aug 8 | Grass | Moderate |
| Rancho Cucamonga | Highas of Aug 8 | Mugwort | Moderate |
| Salinas | Highas of Aug 8 | Grass | Moderate |
| Oceanside | Highas of Aug 8 | Mugwort | Moderate |
| Vallejo | Highas of Aug 8 | Mugwort | Moderate |
| Lancaster | Highas of Aug 8 | Grass | Moderate |
| Santa Cruz | Highas of Aug 8 | Grass | Moderate |
| Fairfield | Highas of Aug 8 | Mugwort | Moderate |
| Pomona | Highas of Aug 8 | Mugwort | Moderate |
| Fullerton | Highas of Aug 8 | Mugwort | Moderate |
| Yuba City | Highas of Aug 8 | Mugwort | Moderate |
| Seaside | Highas of Aug 8 | Grass | Moderate |
| Downey | Highas of Aug 8 | Mugwort | Moderate |
| West Covina | Highas of Aug 8 | Mugwort | Moderate |
| El Monte | Highas of Aug 8 | Mugwort | Moderate |
| Menifee | Highas of Aug 8 | Grass | Moderate |
| Burbank | Highas of Aug 8 | Mugwort | Moderate |
| San Mateo | Highas of Aug 8 | Mugwort | Moderate |
| Vista | Highas of Aug 8 | Mugwort | Moderate |
| Manteca | Highas of Aug 8 | Grass | Moderate |
| San Marcos | Highas of Aug 8 | Mugwort | Moderate |
| Westminster | Highas of Aug 8 | Mugwort | Moderate |
| Whittier | Highas of Aug 8 | Mugwort | Moderate |
| Newport Beach | Highas of Aug 8 | Mugwort | Moderate |
| Buena Park | Highas of Aug 8 | Mugwort | Moderate |
| Madera | Highas of Aug 8 | Grass | Moderate |
| Redwood City | Highas of Aug 8 | Mugwort | Moderate |
| Folsom | Highas of Aug 8 | Grass | Moderate |
| Napa | Highas of Aug 8 | Mugwort | Moderate |
| Rancho Cordova | Highas of Aug 8 | Grass | Moderate |
| Davis | Highas of Aug 8 | Grass | Moderate |
| Perris | Highas of Aug 8 | Grass | Moderate |
| Milpitas | Highas of Aug 8 | Mugwort | Moderate |
| Carmichael | Highas of Aug 8 | Mugwort | Moderate |
| Pleasanton | Highas of Aug 8 | Mugwort | Moderate |
| Bellflower | Highas of Aug 8 | Mugwort | Moderate |
| Alameda | Highas of Aug 8 | Mugwort | Moderate |
| Rocklin | Highas of Aug 8 | Grass | Moderate |
| Baldwin Park | Highas of Aug 8 | Mugwort | Moderate |
| Eastvale | Highas of Aug 8 | Mugwort | Moderate |
| Porterville | Highas of Aug 8 | Grass | Moderate |
| Watsonville | Highas of Aug 8 | Grass | Moderate |
| Castro Valley | Highas of Aug 8 | Grass | Moderate |
| Brentwood | Highas of Aug 8 | Grass | Moderate |
| San Clemente | Highas of Aug 8 | Mugwort | Moderate |
| La Habra | Highas of Aug 8 | Mugwort | Moderate |
| Pico Rivera | Highas of Aug 8 | Mugwort | Moderate |
| San Rafael | Highas of Aug 8 | Grass | Moderate |
| Cupertino | Highas of Aug 8 | Grass | Moderate |
| Hacienda Heights | Highas of Aug 8 | Mugwort | Moderate |
| Novato | Highas of Aug 8 | Mugwort | Moderate |
| Paramount | Highas of Aug 8 | Mugwort | Moderate |
| Cathedral City | Highas of Aug 8 | Grass | Moderate |
| Lincoln | Highas of Aug 8 | Grass | Moderate |
| El Dorado Hills | Highas of Aug 8 | Grass | Moderate |
| Rosemead | Highas of Aug 8 | Mugwort | Moderate |
| Cypress | Highas of Aug 8 | Mugwort | Moderate |
| Rancho Santa Margarita | Highas of Aug 8 | Mugwort | Moderate |
| La Mirada | Highas of Aug 8 | Mugwort | Moderate |
| Oakley | Highas of Aug 8 | Mugwort | Moderate |
| Campbell | Highas of Aug 8 | Mugwort | Moderate |
| Monrovia | Highas of Aug 8 | Mugwort | Moderate |
| La Puente | Highas of Aug 8 | Mugwort | Moderate |
| Claremont | Highas of Aug 8 | Mugwort | Moderate |
| Orangevale | Highas of Aug 8 | Mugwort | Moderate |
| Oildale | Highas of Aug 8 | Grass | Moderate |
| Pleasant Hill | Highas of Aug 8 | Mugwort | Moderate |
| San Dimas | Highas of Aug 8 | Mugwort | Moderate |
| Bell | Highas of Aug 8 | Mugwort | Moderate |
| Los Gatos | Highas of Aug 8 | Mugwort | Moderate |
| Fair Oaks | Highas of Aug 8 | Mugwort | Moderate |
| La Verne | Highas of Aug 8 | Mugwort | Moderate |
| Burlingame | Highas of Aug 8 | Mugwort | Moderate |
| Saratoga | Highas of Aug 8 | Mugwort | Moderate |
| San Carlos | Highas of Aug 8 | Mugwort | Moderate |
| Atascadero | Highas of Aug 8 | Grass | Moderate |
| Suisun City | Highas of Aug 8 | Mugwort | Moderate |
| East Palo Alto | Highas of Aug 8 | Mugwort | Moderate |
| East Niles | Highas of Aug 8 | Grass | Moderate |
| Ridgecrest | Highas of Aug 8 | Grass | Moderate |
| Brawley | Highas of Aug 8 | Grass | Moderate |
| Eureka | Highas of Aug 8 | Grass | Moderate |
| Windsor | Highas of Aug 8 | Grass | Moderate |
| Lafayette | Highas of Aug 8 | Mugwort | Moderate |
| Norco | Highas of Aug 8 | Mugwort | Moderate |
| Seal Beach | Highas of Aug 8 | Mugwort | Moderate |
| Patterson | Highas of Aug 8 | Grass | Moderate |
| Bay Point | Highas of Aug 8 | Mugwort | Moderate |
| San Fernando | Highas of Aug 8 | Mugwort | Moderate |
| Ladera Ranch | Highas of Aug 8 | Mugwort | Moderate |
| East San Gabriel | Highas of Aug 8 | Mugwort | Moderate |
| Ramona | Highas of Aug 8 | Mugwort | Moderate |
| Ashland | Highas of Aug 8 | Mugwort | Moderate |
| Laguna Beach | Highas of Aug 8 | Mugwort | Moderate |
| Corcoran | Highas of Aug 8 | Grass | Moderate |
| Millbrae | Highas of Aug 8 | Mugwort | Moderate |
| Cudahy | Highas of Aug 8 | Mugwort | Moderate |
| Valinda | Highas of Aug 8 | Mugwort | Moderate |
| Granite Bay | Highas of Aug 8 | Grass | Moderate |
| Imperial | Highas of Aug 8 | Grass | Moderate |
| Lomita | Highas of Aug 8 | Mugwort | Moderate |
| Agoura Hills | Highas of Aug 8 | Mugwort | Moderate |
| Greenfield | Highas of Aug 8 | Grass | Moderate |
| South El Monte | Highas of Aug 8 | Mugwort | Moderate |
| Rosedale | Highas of Aug 8 | Grass | Moderate |
| Olivehurst | Highas of Aug 8 | Grass | Moderate |
| Castaic | Highas of Aug 8 | Mugwort | Moderate |
| Phelan | Highas of Aug 8 | Grass | Moderate |
| Nipomo | Highas of Aug 8 | Grass | Moderate |
| Truckee | Highas of Aug 8 | Grass | Moderate |
| Moraga | Highas of Aug 8 | Mugwort | Moderate |
| Bostonia | Highas of Aug 8 | Mugwort | Moderate |
| Kerman | Highas of Aug 8 | Grass | Moderate |
| Parkway | Highas of Aug 8 | Mugwort | Moderate |
| Walnut Park | Highas of Aug 8 | Mugwort | Moderate |
| La Palma | Highas of Aug 8 | Mugwort | Moderate |
| Vincent | Highas of Aug 8 | Mugwort | Moderate |
| Alamo | Highas of Aug 8 | Mugwort | Moderate |
| East Rancho Dominguez | Highas of Aug 8 | Mugwort | Moderate |
| McFarland | Highas of Aug 8 | Grass | Moderate |
| North Auburn | Highas of Aug 8 | Grass | Moderate |
| King City | Highas of Aug 8 | Grass | Moderate |
| Lamont | Highas of Aug 8 | Grass | Moderate |
| North Fair Oaks | Highas of Aug 8 | Mugwort | Moderate |
| Larkspur | Highas of Aug 8 | Mugwort | Moderate |
| Solana Beach | Highas of Aug 8 | Mugwort | Moderate |
| Fortuna | Highas of Aug 8 | Grass | Moderate |
| Commerce | Highas of Aug 8 | Mugwort | Moderate |
| Signal Hill | Highas of Aug 8 | Mugwort | Moderate |
| Home Gardens | Highas of Aug 8 | Mugwort | Moderate |
| Healdsburg | Highas of Aug 8 | Grass | Moderate |
| Del Aire | Highas of Aug 8 | Mugwort | Moderate |
| Crescent City | Highas of Aug 8 | Grass | Moderate |
| Port Costa | Highas of Aug 8 | Mugwort | Moderate |
| Sun City | Highas of Aug 8 | Grass | Moderate |
| Shingle Springs | Highas of Aug 8 | Mugwort | Moderate |
| Solvang | Highas of Aug 8 | Grass | Moderate |
| Greenbrae | Highas of Aug 8 | Mugwort | Moderate |
| Newport Coast | Highas of Aug 8 | Mugwort | Moderate |
| Portola Valley | Highas of Aug 8 | Grass | Moderate |
| Sunset Beach | Highas of Aug 8 | Mugwort | Moderate |
| Malibu | Highas of Aug 8 | Grass | Moderate |
| La Jolla | Highas of Aug 8 | Mugwort | Moderate |
| Glen Ellen | Highas of Aug 8 | Mugwort | Moderate |
| San Pedro | Highas of Aug 8 | Mugwort | Moderate |
| Sherman Oaks | Highas of Aug 8 | Mugwort | Moderate |
| Buellton | Highas of Aug 8 | Grass | Moderate |
| Calistoga | Highas of Aug 8 | Grass | Moderate |
| Templeton | Highas of Aug 8 | Grass | Moderate |
| Saticoy | Highas of Aug 8 | Grass | Moderate |
| Wilton | Highas of Aug 8 | Mugwort | Moderate |
| Venice | Highas of Aug 8 | Mugwort | Moderate |
| Northridge | Highas of Aug 8 | Mugwort | Moderate |
| Clayton | Highas of Aug 8 | Mugwort | Moderate |
| Ventura | Highas of Aug 8 | Grass | Moderate |
| Sebastopol | Highas of Aug 8 | Mugwort | Moderate |
| Morro Bay | Highas of Aug 8 | Grass | Moderate |
| Big Sur | Highas of Aug 8 | Grass | Moderate |
| Weaverville | Highas of Aug 8 | Grass | Moderate |
| Soquel | Highas of Aug 8 | Grass | Moderate |
| Esparto | Highas of Aug 8 | Mugwort | Moderate |
| Angwin | Highas of Aug 8 | Grass | Moderate |
| Reseda | Highas of Aug 8 | Mugwort | Moderate |
| Willits | Highas of Aug 8 | Grass | Moderate |
| Garden Valley | Highas of Aug 8 | Grass | Moderate |
| Aptos | Highas of Aug 8 | Grass | Moderate |
| Carmel | Highas of Aug 8 | Grass | Moderate |
| Edwards | Highas of Aug 8 | Grass | Moderate |
| South Yuba City | Highas of Aug 8 | Mugwort | Moderate |
| Magalia | Highas of Aug 8 | Grass | Moderate |
| Bishop | Highas of Aug 8 | Grass | Moderate |
| Shell Beach | Highas of Aug 8 | Grass | Moderate |
| Running Springs | Highas of Aug 8 | Grass | Moderate |
| La Habra Heights | Highas of Aug 8 | Mugwort | Moderate |
| Topanga | Highas of Aug 8 | Mugwort | Moderate |
| Forestville | Highas of Aug 8 | Grass | Moderate |
| Mather | Highas of Aug 8 | Grass | Moderate |
| Winters | Highas of Aug 8 | Mugwort | Moderate |
| Felton | Highas of Aug 8 | Grass | Moderate |
| Ahwahnee | Highas of Aug 8 | Grass | Moderate |
| Gold River | Highas of Aug 8 | Mugwort | Moderate |
| Piedmont | Highas of Aug 8 | Mugwort | Moderate |
| Nicasio | Highas of Aug 8 | Mugwort | Moderate |
| Eagle Rock | Highas of Aug 8 | Mugwort | Moderate |
| Playa Vista | Highas of Aug 8 | Mugwort | Moderate |
| Oakhurst | Highas of Aug 8 | Grass | Moderate |
| San Francisco | Moderateas of Aug 8 | Mugwort | Moderate |
| San Jose | Moderateas of Aug 8 | Mugwort | Moderate |
| Concord | Moderateas of Aug 8 | Mugwort | Moderate |
| Sacramento | Moderateas of Aug 8 | Grass | Moderate |
| Long Beach | Moderateas of Aug 8 | Mugwort | Moderate |
| Santa Ana | Moderateas of Aug 8 | Mugwort | Moderate |
| Santa Clarita | Moderateas of Aug 8 | Grass | Moderate |
| San Bernardino | Moderateas of Aug 8 | Grass | Moderate |
| Thousand Oaks | Moderateas of Aug 8 | Mugwort | Moderate |
| Corona | Moderateas of Aug 8 | Mugwort | Moderate |
| Sunnyvale | Moderateas of Aug 8 | Mugwort | Moderate |
| Roseville | Moderateas of Aug 8 | Mugwort | Moderate |
| Escondido | Moderateas of Aug 8 | Mugwort | Moderate |
| Pasadena | Moderateas of Aug 8 | Mugwort | Moderate |
| Simi Valley | Moderateas of Aug 8 | Mugwort | Moderate |
| Berkeley | Moderateas of Aug 8 | Mugwort | Moderate |
| Richmond | Moderateas of Aug 8 | Mugwort | Moderate |
| Carlsbad | Moderateas of Aug 8 | Mugwort | Moderate |
| Costa Mesa | Moderateas of Aug 8 | Mugwort | Moderate |
| Temecula | Moderateas of Aug 8 | Grass | Moderate |
| San Buenaventura | Moderateas of Aug 8 | Grass | Moderate |
| El Cajon | Moderateas of Aug 8 | Mugwort | Moderate |
| Norwalk | Moderateas of Aug 8 | Mugwort | Moderate |
| Hesperia | Moderateas of Aug 8 | Grass | Moderate |
| Santa Monica | Moderateas of Aug 8 | Mugwort | Moderate |
| San Leandro | Moderateas of Aug 8 | Grass | Moderate |
| Livermore | Moderateas of Aug 8 | Grass | Moderate |
| Turlock | Moderateas of Aug 8 | Grass | Moderate |
| Upland | Moderateas of Aug 8 | Mugwort | Moderate |
| Pittsburg | Moderateas of Aug 8 | Mugwort | Moderate |
| Dublin | Moderateas of Aug 8 | Grass | Moderate |
| Redondo Beach | Moderateas of Aug 8 | Mugwort | Moderate |
| Walnut Creek | Moderateas of Aug 8 | Mugwort | Moderate |
| Union City | Moderateas of Aug 8 | Mugwort | Moderate |
| Palo Alto | Moderateas of Aug 8 | Grass | Moderate |
| Laguna Niguel | Moderateas of Aug 8 | Mugwort | Moderate |
| Florence-Graham | Moderateas of Aug 8 | Mugwort | Moderate |
| Encinitas | Moderateas of Aug 8 | Mugwort | Moderate |
| Montebello | Moderateas of Aug 8 | Mugwort | Moderate |
| Gardena | Moderateas of Aug 8 | Mugwort | Moderate |
| Petaluma | Moderateas of Aug 8 | Mugwort | Moderate |
| National City | Moderateas of Aug 8 | Mugwort | Moderate |
| Arcadia | Moderateas of Aug 8 | Mugwort | Moderate |
| South Whittier | Moderateas of Aug 8 | Mugwort | Moderate |
| West Sacramento | Moderateas of Aug 8 | Grass | Moderate |
| Diamond Bar | Moderateas of Aug 8 | Mugwort | Moderate |
| Glendora | Moderateas of Aug 8 | Mugwort | Moderate |
| Aliso Viejo | Moderateas of Aug 8 | Mugwort | Moderate |
| Covina | Moderateas of Aug 8 | Mugwort | Moderate |
| Cerritos | Moderateas of Aug 8 | Mugwort | Moderate |
| Brea | Moderateas of Aug 8 | Mugwort | Moderate |
| Newark | Moderateas of Aug 8 | Mugwort | Moderate |
| Rohnert Park | Moderateas of Aug 8 | Grass | Moderate |
| Danville | Moderateas of Aug 8 | Grass | Moderate |
| Vineyard | Moderateas of Aug 8 | Grass | Moderate |
| San Bruno | Moderateas of Aug 8 | Mugwort | Moderate |
| Rancho Palos Verdes | Moderateas of Aug 8 | Mugwort | Moderate |
| Culver City | Moderateas of Aug 8 | Mugwort | Moderate |
| San Gabriel | Moderateas of Aug 8 | Mugwort | Moderate |
| Bell Gardens | Moderateas of Aug 8 | Mugwort | Moderate |
| Calexico | Moderateas of Aug 8 | Grass | Moderate |
| Foothill Farms | Moderateas of Aug 8 | Mugwort | Moderate |
| Martinez | Moderateas of Aug 8 | Mugwort | Moderate |
| La Presa | Moderateas of Aug 8 | Mugwort | Moderate |
| West Hollywood | Moderateas of Aug 8 | Mugwort | Moderate |
| Manhattan Beach | Moderateas of Aug 8 | Mugwort | Moderate |
| Dana Point | Moderateas of Aug 8 | Mugwort | Moderate |
| Menlo Park | Moderateas of Aug 8 | Mugwort | Moderate |
| Fallbrook | Moderateas of Aug 8 | Mugwort | Moderate |
| Beverly Hills | Moderateas of Aug 8 | Mugwort | Moderate |
| Santa Paula | Moderateas of Aug 8 | Mugwort | Moderate |
| Los Altos | Moderateas of Aug 8 | Grass | Moderate |
| Banning | Moderateas of Aug 8 | Grass | Moderate |
| Lemon Grove | Moderateas of Aug 8 | Mugwort | Moderate |
| Benicia | Moderateas of Aug 8 | Mugwort | Moderate |
| South Pasadena | Moderateas of Aug 8 | Mugwort | Moderate |
| Hercules | Moderateas of Aug 8 | Grass | Moderate |
| El Cerrito | Moderateas of Aug 8 | Mugwort | Moderate |
| West Whittier-Los Nietos | Moderateas of Aug 8 | Mugwort | Moderate |
| Maywood | Moderateas of Aug 8 | Mugwort | Moderate |
| Selma | Moderateas of Aug 8 | Grass | Moderate |
| Rosemont | Moderateas of Aug 8 | Grass | Moderate |
| Calabasas | Moderateas of Aug 8 | Grass | Moderate |
| Marina | Moderateas of Aug 8 | Grass | Moderate |
| Rancho San Diego | Moderateas of Aug 8 | Mugwort | Moderate |
| Winter Gardens | Moderateas of Aug 8 | Mugwort | Moderate |
| West Carson | Moderateas of Aug 8 | Mugwort | Moderate |
| Willowbrook | Moderateas of Aug 8 | Mugwort | Moderate |
| Stevenson Ranch | Moderateas of Aug 8 | Mugwort | Moderate |
| Casa de Oro-Mount Helix | Moderateas of Aug 8 | Mugwort | Moderate |
| Mead Valley | Moderateas of Aug 8 | Grass | Moderate |
| Santa Fe Springs | Moderateas of Aug 8 | Mugwort | Moderate |
| Hermosa Beach | Moderateas of Aug 8 | Mugwort | Moderate |
| Pinole | Moderateas of Aug 8 | Mugwort | Moderate |
| Arcata | Moderateas of Aug 8 | Grass | Moderate |
| Coronado | Moderateas of Aug 8 | Mugwort | Moderate |
| Stanford | Moderateas of Aug 8 | Grass | Moderate |
| South San Jose Hills | Moderateas of Aug 8 | Mugwort | Moderate |
| Rancho Mirage | Moderateas of Aug 8 | Grass | Moderate |
| Fillmore | Moderateas of Aug 8 | Mugwort | Moderate |
| Ukiah | Moderateas of Aug 8 | Grass | Moderate |
| Artesia | Moderateas of Aug 8 | Mugwort | Moderate |
| Los Osos | Moderateas of Aug 8 | Grass | Moderate |
| Grass Valley | Moderateas of Aug 8 | Grass | Moderate |
| Auburn | Moderateas of Aug 8 | Grass | Moderate |
| Bonita | Moderateas of Aug 8 | Mugwort | Moderate |
| El Sobrante | Moderateas of Aug 8 | Mugwort | Moderate |
| Carpinteria | Moderateas of Aug 8 | Grass | Moderate |
| Grand Terrace | Moderateas of Aug 8 | Grass | Moderate |
| Palos Verdes Estates | Moderateas of Aug 8 | Mugwort | Moderate |
| Emeryville | Moderateas of Aug 8 | Grass | Moderate |
| San Anselmo | Moderateas of Aug 8 | Mugwort | Moderate |
| San Marino | Moderateas of Aug 8 | Mugwort | Moderate |
| Tamalpais-Homestead Valley | Moderateas of Aug 8 | Grass | Moderate |
| View Park-Windsor Hills | Moderateas of Aug 8 | Mugwort | Moderate |
| Alum Rock | Moderateas of Aug 8 | Mugwort | Moderate |
| Half Moon Bay | Moderateas of Aug 8 | Grass | Moderate |
| Muscoy | Moderateas of Aug 8 | Grass | Moderate |
| Rancho Mission Viejo | Moderateas of Aug 8 | Mugwort | Moderate |
| Loomis | Moderateas of Aug 8 | Grass | Moderate |
| Canoga Park | Moderateas of Aug 8 | Grass | Moderate |
| San Geronimo | Moderateas of Aug 8 | Grass | Moderate |
| Valley Center | Moderateas of Aug 8 | Mugwort | Moderate |
| Colusa | Moderateas of Aug 8 | Grass | Moderate |
| Kelseyville | Moderateas of Aug 8 | Grass | Moderate |
| Carmel Valley | Moderateas of Aug 8 | Grass | Moderate |
| Inverness | Moderateas of Aug 8 | Grass | Moderate |
| La Crescenta | Moderateas of Aug 8 | Mugwort | Moderate |
| Newhall | Moderateas of Aug 8 | Mugwort | Moderate |
| Lake Wildwood | Moderateas of Aug 8 | Grass | Moderate |
| Groveland | Moderateas of Aug 8 | Grass | Moderate |
| Fort Bragg | Moderateas of Aug 8 | Grass | Moderate |
| Placerville | Moderateas of Aug 8 | Grass | Moderate |
| Encino | Moderateas of Aug 8 | Mugwort | Moderate |
| San Simeon | Moderateas of Aug 8 | Grass | Moderate |
| Wallace | Moderateas of Aug 8 | Grass | Moderate |
| Valencia | Moderateas of Aug 8 | Grass | Moderate |
| El Macero | Moderateas of Aug 8 | Grass | Moderate |
| Studio City | Moderateas of Aug 8 | Mugwort | Moderate |
| Cambria | Moderateas of Aug 8 | Grass | Moderate |
| Del Mar | Moderateas of Aug 8 | Mugwort | Moderate |
| Trabuco Canyon | Moderateas of Aug 8 | Mugwort | Moderate |
| Alviso | Moderateas of Aug 8 | Grass | Moderate |
| Sonoma | Moderateas of Aug 8 | Grass | Moderate |
| Pine Grove | Moderateas of Aug 8 | Grass | Moderate |
| Yountville | Moderateas of Aug 8 | Grass | Moderate |
| Joshua Tree | Moderateas of Aug 8 | Grass | Moderate |
| Marshall | Moderateas of Aug 8 | Grass | Moderate |
| Willow Glen | Moderateas of Aug 8 | Mugwort | Moderate |
| Sierra Madre | Moderateas of Aug 8 | Mugwort | Moderate |
| Eagle Ranch | Moderateas of Aug 8 | Grass | Moderate |
| Pacifica | Lowas of Aug 8 | Mugwort | Moderate |
| Oakland | No live reading | Not available | Moderate |
| Indio | No live reading | Not available | Moderate |
| Antioch | No live reading | Not available | Moderate |
| Fontana | No live reading | Not available | Moderate |
| Moreno Valley | No live reading | Not available | Moderate |
| Huntington Beach | No live reading | Not available | Moderate |
| Ontario | No live reading | Not available | Moderate |
| Garden Grove | No live reading | Not available | Moderate |
| Visalia | No live reading | Not available | Moderate |
| Palmdale | No live reading | Not available | Moderate |
| Hayward | No live reading | Not available | Moderate |
| Santa Maria | No live reading | Not available | Moderate |
| Torrance | No live reading | Not available | Moderate |
| Orange | No live reading | Not available | Moderate |
| Santa Clara | No live reading | Not available | Moderate |
| East Los Angeles | No live reading | Not available | Moderate |
| Chico | No live reading | Not available | Moderate |
| Jurupa Valley | No live reading | Not available | Moderate |
| Inglewood | No live reading | Not available | Moderate |
| Rialto | No live reading | Not available | Moderate |
| Daly City | No live reading | Not available | Moderate |
| Vacaville | No live reading | Not available | Moderate |
| Arden-Arcade | No live reading | Not available | Moderate |
| Tracy | No live reading | Not available | Moderate |
| Compton | No live reading | Not available | Moderate |
| Carson | No live reading | Not available | Moderate |
| South Gate | No live reading | Not available | Moderate |
| Chino | No live reading | Not available | Moderate |
| Citrus Heights | No live reading | Not available | Moderate |
| Hawthorne | No live reading | Not available | Moderate |
| Lake Forest | No live reading | Not available | Moderate |
| San Ramon | No live reading | Not available | Moderate |
| Mountain View | No live reading | Not available | Moderate |
| Alhambra | No live reading | Not available | Moderate |
| Lakewood | No live reading | Not available | Moderate |
| Tustin | No live reading | Not available | Moderate |
| Chino Hills | No live reading | Not available | Moderate |
| Lodi | No live reading | Not available | Moderate |
| El Paso de Robles | No live reading | Not available | Moderate |
| Yorba Linda | No live reading | Not available | Moderate |
| Lynwood | No live reading | Not available | Moderate |
| South San Francisco | No live reading | Not available | Moderate |
| Woodland | No live reading | Not available | Moderate |
| La Mesa | No live reading | Not available | Moderate |
| Monterey Park | No live reading | Not available | Moderate |
| Santee | No live reading | Not available | Moderate |
| Highland | No live reading | Not available | Moderate |
| Fountain Valley | No live reading | Not available | Moderate |
| Beaumont | No live reading | Not available | Moderate |
| San Jacinto | No live reading | Not available | Moderate |
| Yucaipa | No live reading | Not available | Moderate |
| Huntington Park | No live reading | Not available | Moderate |
| Placentia | No live reading | Not available | Moderate |
| Azusa | No live reading | Not available | Moderate |
| Antelope | No live reading | Not available | Moderate |
| Ceres | No live reading | Not available | Moderate |
| Poway | No live reading | Not available | Moderate |
| San Luis Obispo | No live reading | Not available | Moderate |
| North Highlands | No live reading | Not available | Moderate |
| Rowland Heights | No live reading | Not available | Moderate |
| Los Banos | No live reading | Not available | Moderate |
| French Valley | No live reading | Not available | Moderate |
| Altadena | No live reading | Not available | Moderate |
| Stanton | No live reading | Not available | Moderate |
| La Quinta | No live reading | Not available | Moderate |
| Adelanto | No live reading | Not available | Moderate |
| Montclair | No live reading | Not available | Moderate |
| Wildomar | No live reading | Not available | Moderate |
| Moorpark | No live reading | Not available | Moderate |
| Temple City | No live reading | Not available | Moderate |
| San Juan Capistrano | No live reading | Not available | Moderate |
| Westmont | No live reading | Not available | Moderate |
| Foster City | No live reading | Not available | Moderate |
| Desert Hot Springs | No live reading | Not available | Moderate |
| Goleta | No live reading | Not available | Moderate |
| Spring Valley | No live reading | Not available | Moderate |
| Atwater | No live reading | Not available | Moderate |
| San Pablo | No live reading | Not available | Moderate |
| Orcutt | No live reading | Not available | Moderate |
| Lawndale | No live reading | Not available | Moderate |
| Laguna Hills | No live reading | Not available | Moderate |
| Monterey | No live reading | Not available | Moderate |
| San Lorenzo | No live reading | Not available | Moderate |
| Eastern Goleta Valley | No live reading | Not available | Moderate |
| Twentynine Palms | No live reading | Not available | Moderate |
| Temescal Valley | No live reading | Not available | Moderate |
| Walnut | No live reading | Not available | Moderate |
| Belmont | No live reading | Not available | Moderate |
| Wasco | No live reading | Not available | Moderate |
| North Tustin | No live reading | Not available | Moderate |
| Imperial Beach | No live reading | Not available | Moderate |
| Galt | No live reading | Not available | Moderate |
| Dinuba | No live reading | Not available | Moderate |
| Mountain House | No live reading | Not available | Moderate |
| Riverbank | No live reading | Not available | Moderate |
| Linda | No live reading | Not available | Moderate |
| West Rancho Dominguez | No live reading | Not available | Moderate |
| West Puente Valley | No live reading | Not available | Moderate |
| Duarte | No live reading | Not available | Moderate |
| Lakeside | No live reading | Not available | Moderate |
| Yucca Valley | No live reading | Not available | Moderate |
| American Canyon | No live reading | Not available | Moderate |
| Port Hueneme | No live reading | Not available | Moderate |
| Rosamond | No live reading | Not available | Moderate |
| Shafter | No live reading | Not available | Moderate |
| East Hemet | No live reading | Not available | Moderate |
| Lennox | No live reading | Not available | Moderate |
| La Canada Flintridge | No live reading | Not available | Moderate |
| La Crescenta-Montrose | No live reading | Not available | Moderate |
| Albany | No live reading | Not available | Moderate |
| Arvin | No live reading | Not available | Moderate |
| Orinda | No live reading | Not available | Moderate |
| Prunedale | No live reading | Not available | Moderate |
| Valle Vista | No live reading | Not available | Moderate |
| Dixon | No live reading | Not available | Moderate |
| Chowchilla | No live reading | Not available | Moderate |
| Coalinga | No live reading | Not available | Moderate |
| Laguna Woods | No live reading | Not available | Moderate |
| Cameron Park | No live reading | Not available | Moderate |
| Mckinleyville | No live reading | Not available | Moderate |
| Rio Linda | No live reading | Not available | Moderate |
| El Segundo | No live reading | Not available | Moderate |
| Alpine | No live reading | Not available | Moderate |
| Coto de Caza | No live reading | Not available | Moderate |
| Discovery Bay | No live reading | Not available | Moderate |
| Camp Pendleton South | No live reading | Not available | Moderate |
| Pacific Grove | No live reading | Not available | Moderate |
| Lemon Hill | No live reading | Not available | Moderate |
| California City | No live reading | Not available | Moderate |
| Cherryland | No live reading | Not available | Moderate |
| Livingston | No live reading | Not available | Moderate |
| Mill Valley | No live reading | Not available | Moderate |
| Isla Vista | No live reading | Not available | Moderate |
| Oak Park | No live reading | Not available | Moderate |
| Lake Los Angeles | No live reading | Not available | Moderate |
| Avocado Heights | No live reading | Not available | Moderate |
| Marysville | No live reading | Not available | Moderate |
| Diamond Springs | No live reading | Not available | Moderate |
| Rossmoor | No live reading | Not available | Moderate |
| Los Alamitos | No live reading | Not available | Moderate |
| La Riviera | No live reading | Not available | Moderate |
| Winton | No live reading | Not available | Moderate |
| Anderson | No live reading | Not available | Moderate |
| Hillsborough | No live reading | Not available | Moderate |
| Canyon Lake | No live reading | Not available | Moderate |
| Ojai | No live reading | Not available | Moderate |
| Berryessa | No live reading | Not available | Moderate |
| Chatsworth | No live reading | Not available | Moderate |
| Penn Valley | No live reading | Not available | Moderate |
| Westlake Village | No live reading | Not available | Moderate |
| Indian Wells | No live reading | Not available | Moderate |
| Capitola | No live reading | Not available | Moderate |
| Aromas | No live reading | Not available | Moderate |
| Bodega Bay | No live reading | Not available | Moderate |
| Woodlake | No live reading | Not available | Moderate |
| Montara | No live reading | Not available | Moderate |
| Yreka | No live reading | Not available | Moderate |
| Industry | No live reading | Not available | Moderate |
| Universal City | No live reading | Not available | Moderate |
| Elverta | No live reading | Not available | Moderate |
| Canyon Country | No live reading | Not available | Moderate |
| Woodland Hills | No live reading | Not available | Moderate |
| Byron | No live reading | Not available | Moderate |
| Ione | No live reading | Not available | Moderate |
| La Selva Beach | No live reading | Not available | Moderate |
| Point Reyes Station | No live reading | Not available | Moderate |
| Pismo Beach | No live reading | Not available | Moderate |
| Meadow Vista | No live reading | Not available | Moderate |
| North Hollywood | No live reading | Not available | Moderate |
| Sloughhouse | No live reading | Not available | Moderate |
| Rio Vista | No live reading | Not available | Moderate |
| Sutter Creek | No live reading | Not available | Moderate |
| Orland | No live reading | Not available | Moderate |
| Clearlake Oaks | No live reading | Not available | Moderate |
| Cloverdale | No live reading | Not available | Moderate |
| Mendocino | No live reading | Not available | Moderate |
| Valley Springs | No live reading | Not available | Moderate |
| Marina Del Rey | No live reading | Not available | Moderate |
| Middletown | No live reading | Not available | Moderate |
| Sylmar | No live reading | Not available | Moderate |
| Point Arena | No live reading | Not available | Moderate |
| Millville | No live reading | Not available | Moderate |
| Monte Rio | No live reading | Not available | Moderate |
| Old Station | No live reading | Not available | Moderate |
| Wilmington | No live reading | Not available | Moderate |
| Mammoth | No live reading | Not available | Moderate |
| Valley Village | No live reading | Not available | Moderate |
| Tiburon | No live reading | Not available | Moderate |
| Sun Valley | No live reading | Not available | Moderate |
| Carnelian Bay | No live reading | Not available | Moderate |
| University Village | No live reading | Not available | Moderate |
| Applegate | No live reading | Not available | Moderate |
| Lytle Creek | No live reading | Not available | Moderate |
| Shoshone | No live reading | Not available | Moderate |
| East Irvine | No live reading | Not available | Moderate |
| Frazier Park | No live reading | Not available | Moderate |
| Colfax | No live reading | Not available | Moderate |
| Ben Lomond | No live reading | Not available | Moderate |
| Hidden Hills | No live reading | Not available | Moderate |
| Forest Knolls | No live reading | Not available | Moderate |
| Penryn | No live reading | Not available | Moderate |
| Hilmar | No live reading | Not available | Moderate |
| Fairfax | No live reading | Not available | Moderate |
| El Dorado | No live reading | Not available | Moderate |
| Weed | No live reading | Not available | Moderate |
| Paradise | No live reading | Not available | Moderate |
| Sonora | No live reading | Not available | Moderate |
| Grande Mobile Manor Mobile Home Park | No live reading | Not available | Moderate |
| Forest Meadows | No live reading | Not available | Moderate |
Today and worst today come from live readings where available. Typical shows the usual level for this month from the seasonal profile.
Pollen is only half of what's in the air. See today's air quality in California for ozone, dust, and smoke readings by city.
The California allergy season
Allergy levels in California peak in March, when olive pollen runs highest. The season moves through tree pollen around March, grass in April, weed pollen such as ragweed in August. Levels start to climb around January. The lowest pollen levels of the year arrive in July.
Common questions
When does allergy season start in California?
Pollen levels in California usually begin climbing in January and reach their highest point in March.
What is the worst month for allergies in California?
March is typically the worst month in California, driven by olive pollen.
When does ragweed season end in California?
Ragweed pollen in California usually fades by the end of October, after the first hard frost in colder areas.
When is the best time for allergies in California?
July usually brings the lowest pollen levels of the year in California.