Michigan pollen and allergy seasons
July outlookHigh
Michigan has a spring tree season, grass in early summer, and a heavy ragweed season in the fall.
Twelve month pollen calendar
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LowModerateHighVery high
Dominant species in July
Grass
Typical peak in July
early-July to late-July
Worst month of the year
September
Best month of the year
January
What is active in July
Grass
Cities in Michigan
| City | Today | Worst today | Typical in July |
|---|---|---|---|
| Sterling Heights | Very Highas of Jul 15 | Grass | High |
| Troy | Very Highas of Jul 15 | Grass | High |
| Port Huron | Very Highas of Jul 15 | Grass | High |
| Farmington Hills | Very Highas of Jul 15 | Grass | High |
| Rochester Hills | Very Highas of Jul 15 | Grass | High |
| Novi | Very Highas of Jul 15 | Grass | High |
| Taylor | Very Highas of Jul 15 | Grass | High |
| St. Clair Shores | Very Highas of Jul 15 | Grass | High |
| Roseville | Very Highas of Jul 15 | Grass | High |
| Eastpointe | Very Highas of Jul 15 | Grass | High |
| Southgate | Very Highas of Jul 15 | Grass | High |
| Oak Park | Very Highas of Jul 15 | Grass | High |
| Garden City | Very Highas of Jul 15 | Grass | High |
| Trenton | Very Highas of Jul 15 | Grass | High |
| Wayne | Very Highas of Jul 15 | Grass | High |
| Mount Clemens | Very Highas of Jul 15 | Grass | High |
| Rochester | Very Highas of Jul 15 | Grass | High |
| Melvindale | Very Highas of Jul 15 | Grass | High |
| New Baltimore | Very Highas of Jul 15 | Grass | High |
| Fenton | Very Highas of Jul 15 | Grass | High |
| Farmington | Very Highas of Jul 15 | Grass | High |
| Clawson | Very Highas of Jul 15 | Grass | High |
| Macomb | Very Highas of Jul 15 | Grass | High |
| Maybee | Very Highas of Jul 15 | Grass | High |
| Oxford | Very Highas of Jul 15 | Grass | High |
| Petersburg | Very Highas of Jul 15 | Grass | High |
| Franklin | Very Highas of Jul 15 | Grass | High |
| Chesterfield | Very Highas of Jul 15 | Grass | High |
| Redford | Very Highas of Jul 15 | Grass | High |
| Davison | Very Highas of Jul 15 | Grass | High |
| Utica | Very Highas of Jul 15 | Grass | High |
| Harrison Township | Very Highas of Jul 15 | Grass | High |
| Temperance | Very Highas of Jul 15 | Grass | High |
| Clinton Township | Very Highas of Jul 15 | Grass | High |
| Flat Rock | Very Highas of Jul 15 | Grass | High |
| Northville | Very Highas of Jul 15 | Grass | High |
| Milford | Very Highas of Jul 15 | Grass | High |
| Newport | Very Highas of Jul 15 | Grass | High |
| Westland | Highas of Jul 15 | Grass | High |
| Dearborn Heights | Highas of Jul 15 | Grass | High |
| Pontiac | Highas of Jul 15 | Grass | High |
| Royal Oak | Highas of Jul 15 | Grass | High |
| Hamtramck | Highas of Jul 15 | Grass | High |
| Inkster | Highas of Jul 15 | Grass | High |
| Wyandotte | Highas of Jul 15 | Grass | High |
| Hazel Park | Highas of Jul 15 | Grass | High |
| Carleton | Highas of Jul 15 | Grass | High |
| West Monroe | Highas of Jul 15 | Grass | High |
| Lambertville | Highas of Jul 15 | Grass | High |
| Swartz Creek | Highas of Jul 15 | Grass | High |
| Plymouth | Highas of Jul 15 | Grass | High |
| Milan | Highas of Jul 15 | Grass | High |
| Holly | Highas of Jul 15 | Grass | High |
| Ann Arbor | Moderateas of Jul 15 | Grass | High |
| Flint | Moderateas of Jul 15 | Grass | High |
| South Lyon | Moderateas of Jul 15 | Grass | High |
| Warren | Moderateas of Jul 15 | Grass | High |
| Dearborn | Moderateas of Jul 15 | Grass | High |
| Lincoln Park | Moderateas of Jul 15 | Grass | High |
| Burton | Moderateas of Jul 15 | Grass | High |
| Madison Heights | Moderateas of Jul 15 | Grass | High |
| Romulus | Moderateas of Jul 15 | Grass | High |
| Birmingham | Moderateas of Jul 15 | Grass | High |
| Monroe | Moderateas of Jul 15 | Grass | High |
| Ypsilanti | Moderateas of Jul 15 | Grass | High |
| Ferndale | Moderateas of Jul 15 | Grass | High |
| Wixom | Moderateas of Jul 15 | Grass | High |
| Grosse Pointe Woods | Moderateas of Jul 15 | Grass | High |
| Harper Woods | Moderateas of Jul 15 | Grass | High |
| Fraser | Moderateas of Jul 15 | Grass | High |
| Woodhaven | Moderateas of Jul 15 | Grass | High |
| Riverview | Moderateas of Jul 15 | Grass | High |
| Grosse Pointe Park | Moderateas of Jul 15 | Grass | High |
| St. Clair | Moderateas of Jul 15 | Grass | High |
| Saline | Moderateas of Jul 15 | Grass | High |
| Algonac | Moderateas of Jul 15 | Grass | High |
| Saint Clair | Moderateas of Jul 15 | Grass | High |
| Hartland | Moderateas of Jul 15 | Grass | High |
| Grosse Pointe | Moderateas of Jul 15 | Grass | High |
| Commerce Township | Moderateas of Jul 15 | Grass | High |
| Clarkston | Moderateas of Jul 15 | Grass | High |
| White Lake | Moderateas of Jul 15 | Grass | High |
| Walled Lake | Moderateas of Jul 15 | Grass | High |
| Highland | Moderateas of Jul 15 | Grass | High |
| Canton | Moderateas of Jul 15 | Grass | High |
| Waterford | Moderateas of Jul 15 | Grass | High |
| Saint Clair Shores | Moderateas of Jul 15 | Grass | High |
| Lake Orion | Moderateas of Jul 15 | Grass | High |
| Grand Blanc | Moderateas of Jul 15 | Grass | High |
| Washington | Moderateas of Jul 15 | Grass | High |
| Linden | Moderateas of Jul 15 | Grass | High |
| Grand Rapids | Noneas of Jul 15 | None | High |
| Lansing | Noneas of Jul 15 | None | High |
| Saginaw | Noneas of Jul 15 | None | High |
| Holland | Noneas of Jul 15 | None | High |
| Jackson | Noneas of Jul 15 | None | High |
| Wyoming | Noneas of Jul 15 | None | High |
| Battle Creek | Noneas of Jul 15 | None | High |
| Bay City | Noneas of Jul 15 | None | High |
| Kentwood | Noneas of Jul 15 | None | High |
| Portage | Noneas of Jul 15 | None | High |
| East Lansing | Noneas of Jul 15 | None | High |
| Midland | Noneas of Jul 15 | None | High |
| Forest Hills | Noneas of Jul 15 | None | High |
| Allendale | Noneas of Jul 15 | None | High |
| Okemos | Noneas of Jul 15 | None | High |
| Holt | Noneas of Jul 15 | None | High |
| Walker | Noneas of Jul 15 | None | High |
| Norton Shores | Noneas of Jul 15 | None | High |
| Waverly | Noneas of Jul 15 | None | High |
| Mount Pleasant | Noneas of Jul 15 | None | High |
| Haslett | Noneas of Jul 15 | None | High |
| Jenison | Noneas of Jul 15 | None | High |
| Grandville | Noneas of Jul 15 | None | High |
| Traverse City | Noneas of Jul 15 | None | High |
| Northview | Noneas of Jul 15 | None | High |
| Owosso | Noneas of Jul 15 | None | High |
| Coldwater | Noneas of Jul 15 | None | High |
| Sault Ste. Marie | Noneas of Jul 15 | None | High |
| Ionia | Noneas of Jul 15 | None | High |
| Escanaba | Noneas of Jul 15 | None | High |
| Niles | Noneas of Jul 15 | None | High |
| East Grand Rapids | Noneas of Jul 15 | None | High |
| Sturgis | Noneas of Jul 15 | None | High |
| Drummond Island | Noneas of Jul 15 | None | High |
| Quincy | Noneas of Jul 15 | None | High |
| Laingsburg | Noneas of Jul 15 | None | High |
| Hudsonville | Noneas of Jul 15 | None | High |
| Rockford | Noneas of Jul 15 | None | High |
| Parma | Noneas of Jul 15 | None | High |
| Mason | Noneas of Jul 15 | None | High |
| Grand Haven | Noneas of Jul 15 | None | High |
| Houghton Lake | Noneas of Jul 15 | None | High |
| Lowell | Noneas of Jul 15 | None | High |
| Marshall | Noneas of Jul 15 | None | High |
| Lawton | Noneas of Jul 15 | None | High |
| Emmett | Noneas of Jul 15 | None | High |
| Beulah | Noneas of Jul 15 | None | High |
| Ada | Noneas of Jul 15 | None | High |
| Spring Lake | Noneas of Jul 15 | None | High |
| Hillsdale | Noneas of Jul 15 | None | High |
| Powers | Noneas of Jul 15 | None | High |
| Metamora | Noneas of Jul 15 | None | High |
| Sawyer | Noneas of Jul 15 | None | High |
| Gobles | Noneas of Jul 15 | None | High |
| Athens | Noneas of Jul 15 | None | High |
| Eagle | Noneas of Jul 15 | None | High |
| Boyne City | Noneas of Jul 15 | None | High |
| Harbor Springs | Noneas of Jul 15 | None | High |
| Middleville | Noneas of Jul 15 | None | High |
| Baroda | Noneas of Jul 15 | None | High |
| Concord | Noneas of Jul 15 | None | High |
| Clare | Noneas of Jul 15 | None | High |
| Alto | Noneas of Jul 15 | None | High |
| Sault Sainte Marie | Noneas of Jul 15 | None | High |
| Wolverine | Noneas of Jul 15 | None | High |
| Gaylord | Noneas of Jul 15 | None | High |
| Alma | Noneas of Jul 15 | None | High |
| Stockbridge | Noneas of Jul 15 | None | High |
| Perrinton | Noneas of Jul 15 | None | High |
| Perry | Noneas of Jul 15 | None | High |
| Belmont | Noneas of Jul 15 | None | High |
| Lake Linden | Noneas of Jul 15 | None | High |
| Mackinac Island | Noneas of Jul 15 | None | High |
| Negaunee | Noneas of Jul 15 | None | High |
| Gwinn | Noneas of Jul 15 | None | High |
| Freeland | Noneas of Jul 15 | None | High |
| East Tawas | Noneas of Jul 15 | None | High |
| Whitehall | Noneas of Jul 15 | None | High |
| Otsego | Noneas of Jul 15 | None | High |
| Paris | Noneas of Jul 15 | None | High |
| Manistee | Noneas of Jul 15 | None | High |
| Petoskey | Noneas of Jul 15 | None | High |
| Montague | Noneas of Jul 15 | None | High |
| Three Rivers | Noneas of Jul 15 | None | High |
| Saint Charles | Noneas of Jul 15 | None | High |
| Mecosta | Noneas of Jul 15 | None | High |
| Muir | Noneas of Jul 15 | None | High |
| Sidnaw | Noneas of Jul 15 | None | High |
| Harbert | Noneas of Jul 15 | None | High |
| Morley | Noneas of Jul 15 | None | High |
| Shields | Noneas of Jul 15 | None | High |
| Leonidas | Noneas of Jul 15 | None | High |
| Irons | Noneas of Jul 15 | None | High |
| Saint Helen | Noneas of Jul 15 | None | High |
| Hesperia | Noneas of Jul 15 | None | High |
| Calumet | Noneas of Jul 15 | None | High |
| Northport | Noneas of Jul 15 | None | High |
| Oscoda | Noneas of Jul 15 | None | High |
| Rapid City | Noneas of Jul 15 | None | High |
| Williamsburg | Noneas of Jul 15 | None | High |
| Morenci | Noneas of Jul 15 | None | High |
| Pinconning | Noneas of Jul 15 | None | High |
| Avoca | Noneas of Jul 15 | None | High |
| Allegan | Noneas of Jul 15 | None | High |
| Sparta | Noneas of Jul 15 | None | High |
| Wellston | Noneas of Jul 15 | None | High |
| Brighton | Noneas of Jul 15 | None | High |
| Tipton | Noneas of Jul 15 | None | High |
| Shelby | Noneas of Jul 15 | None | High |
| Alpena | Noneas of Jul 15 | None | High |
| Mattawan | Noneas of Jul 15 | None | High |
| Springer | Noneas of Jul 15 | None | High |
| Ewen | Noneas of Jul 15 | None | High |
| Gaines | Noneas of Jul 15 | None | High |
| Newaygo | Noneas of Jul 15 | None | High |
| Dexter | Noneas of Jul 15 | None | High |
| Byron Center | Noneas of Jul 15 | None | High |
| Caro | Noneas of Jul 15 | None | High |
| Olivet | Noneas of Jul 15 | None | High |
| Lapeer | Noneas of Jul 15 | None | High |
| Ludington | Noneas of Jul 15 | None | High |
| Berrien Center | Noneas of Jul 15 | None | High |
| Vicksburg | Noneas of Jul 15 | None | High |
| Union City | Noneas of Jul 15 | None | High |
| Dowagiac | Noneas of Jul 15 | None | High |
| Frankenmuth | Noneas of Jul 15 | None | High |
| Zeeland | Noneas of Jul 15 | None | High |
| Essexville | Noneas of Jul 15 | None | High |
| Houghton | Noneas of Jul 15 | None | High |
| Pinckney | Noneas of Jul 15 | None | High |
| Caledonia | Noneas of Jul 15 | None | High |
| Decatur | Noneas of Jul 15 | None | High |
| Tecumseh | Noneas of Jul 15 | None | High |
| Galien | Noneas of Jul 15 | None | High |
| Chelsea | Noneas of Jul 15 | None | High |
| Saint Johns | Noneas of Jul 15 | None | High |
| Amasa | Noneas of Jul 15 | None | High |
| Frankfort | Noneas of Jul 15 | None | High |
| Cedar Springs | Noneas of Jul 15 | None | High |
| Eaton Rapids | Noneas of Jul 15 | None | High |
| Howell | Noneas of Jul 15 | None | High |
| Saint Joseph | Noneas of Jul 15 | None | High |
| Homer | Noneas of Jul 15 | None | High |
| Lewiston | Noneas of Jul 15 | None | High |
| Galesburg | Noneas of Jul 15 | None | High |
| Mio | Noneas of Jul 15 | None | High |
| New Richmond | Noneas of Jul 15 | None | High |
| Suttons Bay | Noneas of Jul 15 | None | High |
| Berrien Springs | Noneas of Jul 15 | None | High |
| West Olive | Noneas of Jul 15 | None | High |
| Oakley | Noneas of Jul 15 | None | High |
| Scottville | Noneas of Jul 15 | None | High |
| Cadillac | Noneas of Jul 15 | None | High |
| Cassopolis | Noneas of Jul 15 | None | High |
| Evart | Noneas of Jul 15 | None | High |
| Bloomingdale | Noneas of Jul 15 | None | High |
| Portland | Noneas of Jul 15 | None | High |
| Iron River | Noneas of Jul 15 | None | High |
| Detroit | No live reading | Not available | High |
| Kalamazoo | No live reading | Not available | High |
| Muskegon | No live reading | Not available | High |
| Livonia | No live reading | Not available | High |
| Southfield | No live reading | Not available | High |
| Allen Park | No live reading | Not available | High |
| Auburn Hills | No live reading | Not available | High |
| Marquette | No live reading | Not available | High |
| Adrian | No live reading | Not available | High |
| Cutlerville | No live reading | Not available | High |
| Berkley | No live reading | Not available | High |
| Elmira | No live reading | Not available | High |
| Whitmore Lake | No live reading | Not available | High |
| Mount Morris | No live reading | Not available | High |
| West Bloomfield | No live reading | Not available | High |
| Flushing | No live reading | Not available | High |
| Bloomfield Hills | No live reading | Not available | High |
| Belleville | No live reading | Not available | High |
| Columbus | No live reading | Not available | High |
| Fort Gratiot | No live reading | Not available | High |
| Ironwood | No live reading | Not available | High |
| Eau Claire | No live reading | Not available | High |
Today and worst today come from live readings where available. Typical shows the usual level for this month from the seasonal profile.
The Michigan allergy season
Allergy levels in Michigan peak in September, when ragweed pollen runs highest. The season moves through tree pollen around April, grass in June, weed pollen such as ragweed in September. Levels start to climb around April. The lowest pollen levels of the year arrive in January.
Common questions
When does allergy season start in Michigan?
Pollen levels in Michigan usually begin climbing in April and reach their highest point in September.
What is the worst month for allergies in Michigan?
September is typically the worst month in Michigan, driven by ragweed pollen.
When does ragweed season end in Michigan?
Ragweed pollen in Michigan usually fades by the end of October, after the first hard frost in colder areas.
When is the best time for allergies in Michigan?
January usually brings the lowest pollen levels of the year in Michigan.