Arizona pollen and allergy seasons
July outlookLow
Arizona spreads its allergy season across most of the year, with desert trees in late winter and spring and weeds returning after the summer monsoon.
Twelve month pollen calendar
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LowModerateHighVery high
Dominant species in July
None active
Typical peak in July
No clear peak this month
Worst month of the year
April
Best month of the year
June
What is active in July
Pollen is typically low across the board in July in Arizona.
Cities in Arizona
| City | Today | Worst today | Typical in July |
|---|---|---|---|
| Prescott Valley | Very Highas of Jul 15 | Grass | Low |
| Catalina Foothills | Very Highas of Jul 15 | Grass | Low |
| Oro Valley | Very Highas of Jul 15 | Grass | Low |
| Prescott | Very Highas of Jul 15 | Grass | Low |
| Green Valley | Very Highas of Jul 15 | Grass | Low |
| Vail | Very Highas of Jul 15 | Grass | Low |
| Somerton | Very Highas of Jul 15 | Grass | Low |
| New Kingman-Butler | Very Highas of Jul 15 | Grass | Low |
| Chino Valley | Very Highas of Jul 15 | Grass | Low |
| Tucson Mountains | Very Highas of Jul 15 | Grass | Low |
| Benson | Very Highas of Jul 15 | Grass | Low |
| Oracle | Very Highas of Jul 15 | Grass | Low |
| Oak Creek | Very Highas of Jul 15 | Grass | Low |
| Dewey | Very Highas of Jul 15 | Grass | Low |
| Golden Valley | Very Highas of Jul 15 | Grass | Low |
| Scottsdale | Highas of Jul 15 | Grass | Low |
| Yuma | Highas of Jul 15 | Grass | Low |
| San Tan Valley | Highas of Jul 15 | Grass | Low |
| Flagstaff | Highas of Jul 15 | Grass | Low |
| Maricopa | Highas of Jul 15 | Grass | Low |
| Lake Havasu City | Highas of Jul 15 | Grass | Low |
| Eloy | Highas of Jul 15 | Grass | Low |
| Coolidge | Highas of Jul 15 | Grass | Low |
| Sierra Vista Southeast | Highas of Jul 15 | Grass | Low |
| Sun Lakes | Highas of Jul 15 | Grass | Low |
| Vernon | Highas of Jul 15 | Grass | Low |
| Jerome | Highas of Jul 15 | Grass | Low |
| Strawberry | Highas of Jul 15 | Grass | Low |
| Guadalupe | Highas of Jul 15 | Grass | Low |
| Bisbee | Highas of Jul 15 | Grass | Low |
| Pine | Highas of Jul 15 | Grass | Low |
| Rio Verde | Highas of Jul 15 | Grass | Low |
| Globe | Highas of Jul 15 | Grass | Low |
| Phoenix | Moderateas of Jul 15 | Grass | Low |
| Tucson | Moderateas of Jul 15 | Grass | Low |
| Mesa | Moderateas of Jul 15 | Grass | Low |
| Chandler | Moderateas of Jul 15 | Grass | Low |
| Gilbert | Moderateas of Jul 15 | Grass | Low |
| Glendale | Moderateas of Jul 15 | Grass | Low |
| Peoria | Moderateas of Jul 15 | Grass | Low |
| Tempe | Moderateas of Jul 15 | Grass | Low |
| Surprise | Moderateas of Jul 15 | Grass | Low |
| Goodyear | Moderateas of Jul 15 | Grass | Low |
| Buckeye | Moderateas of Jul 15 | Grass | Low |
| Queen Creek | Moderateas of Jul 15 | Grass | Low |
| Apache Junction | Moderateas of Jul 15 | Grass | Low |
| Sun City | Moderateas of Jul 15 | Grass | Low |
| San Luis | Moderateas of Jul 15 | Grass | Low |
| Sahuarita | Moderateas of Jul 15 | Grass | Low |
| Kingman | Moderateas of Jul 15 | Grass | Low |
| Fortuna Foothills | Moderateas of Jul 15 | Grass | Low |
| Sun City West | Moderateas of Jul 15 | Grass | Low |
| Rio Rico | Moderateas of Jul 15 | Grass | Low |
| Nogales | Moderateas of Jul 15 | Grass | Low |
| Payson | Moderateas of Jul 15 | Grass | Low |
| Douglas | Moderateas of Jul 15 | Grass | Low |
| Fort Mohave | Moderateas of Jul 15 | Grass | Low |
| Verde Village | Moderateas of Jul 15 | Grass | Low |
| Saddlebrooke | Moderateas of Jul 15 | Grass | Low |
| Cottonwood | Moderateas of Jul 15 | Grass | Low |
| Gold Canyon | Moderateas of Jul 15 | Grass | Low |
| Catalina | Moderateas of Jul 15 | Grass | Low |
| Wickenburg | Moderateas of Jul 15 | Grass | Low |
| Quartzsite | Moderateas of Jul 15 | Grass | Low |
| Citrus Park | Moderateas of Jul 15 | Grass | Low |
| Windsor Mobile Home Park | Moderateas of Jul 15 | Grass | Low |
| Sedona | Moderateas of Jul 15 | Grass | Low |
| Lakeside | Moderateas of Jul 15 | Grass | Low |
| Cave Creek | Moderateas of Jul 15 | Grass | Low |
| Duncan | Moderateas of Jul 15 | Grass | Low |
| Corona De Tucson | Moderateas of Jul 15 | Grass | Low |
| Holbrook | Moderateas of Jul 15 | Grass | Low |
| Sells | Moderateas of Jul 15 | Grass | Low |
| Casa Grande | Lowas of Jul 15 | Grass | Low |
| Florence | Lowas of Jul 15 | Grass | Low |
| Anthem | Lowas of Jul 15 | Grass | Low |
| New River | Lowas of Jul 15 | Grass | Low |
| Flowing Wells | Lowas of Jul 15 | Grass | Low |
| Valencia West | Lowas of Jul 15 | Grass | Low |
| Tucson Estates | Lowas of Jul 15 | Grass | Low |
| Camp Verde | Lowas of Jul 15 | Grass | Low |
| Fort Defiance | Lowas of Jul 15 | Grass | Low |
| Williams | Lowas of Jul 15 | Grass | Low |
| Avondale | No live reading | Not available | Low |
| Casas Adobes | No live reading | Not available | Low |
| Marana | No live reading | Not available | Low |
| Sierra Vista | No live reading | Not available | Low |
| Bullhead City | No live reading | Not available | Low |
| El Mirage | No live reading | Not available | Low |
| Drexel Heights | No live reading | Not available | Low |
| Fountain Hills | No live reading | Not available | Low |
| Tanque Verde | No live reading | Not available | Low |
| Paradise Valley | No live reading | Not available | Low |
| Show Low | No live reading | Not available | Low |
| Wilhoit | No live reading | Not available | Low |
| Alhambra | No live reading | Not available | Low |
| Cornville | No live reading | Not available | Low |
| Litchfield Park | No live reading | Not available | Low |
| Carefree | No live reading | Not available | Low |
| Indian Wells | No live reading | Not available | Low |
| Arizona City | No live reading | Not available | Low |
| Happy Jack | No live reading | Not available | Low |
Today and worst today come from live readings where available. Typical shows the usual level for this month from the seasonal profile.
The Arizona allergy season
Allergy levels in Arizona peak in April, when olive pollen runs highest. The season moves through tree pollen around April, grass in April, weed pollen such as ragweed in September. Levels start to climb around January. The lowest pollen levels of the year arrive in June.
Common questions
When does allergy season start in Arizona?
Pollen levels in Arizona usually begin climbing in January and reach their highest point in April.
What is the worst month for allergies in Arizona?
April is typically the worst month in Arizona, driven by olive pollen.
When does ragweed season end in Arizona?
Ragweed pollen in Arizona usually fades by the end of October, after the first hard frost in colder areas.
When is the best time for allergies in Arizona?
June usually brings the lowest pollen levels of the year in Arizona.