Utah pollen and allergy seasons
July outlookModerate
Utah has a spring tree season along the Wasatch Front, grass in early summer, and a heavy ragweed and sagebrush season in late summer.
Twelve month pollen calendar
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F
M
A
M
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A
S
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D
LowModerateHighVery high
Dominant species in July
Grass
Typical peak in July
No clear peak this month
Worst month of the year
September
Best month of the year
January
What is active in July
Grass
Cities in Utah
| City | Today | Worst today | Typical in July |
|---|---|---|---|
| Ogden | Very Highas of Jul 15 | Grass | Moderate |
| Salt Lake City | Very Highas of Jul 15 | Grass | Moderate |
| West Valley City | Very Highas of Jul 15 | Grass | Moderate |
| South Jordan | Very Highas of Jul 15 | Grass | Moderate |
| Taylorsville | Very Highas of Jul 15 | Grass | Moderate |
| Draper | Very Highas of Jul 15 | Grass | Moderate |
| Bountiful | Very Highas of Jul 15 | Grass | Moderate |
| Riverton | Very Highas of Jul 15 | Grass | Moderate |
| Tooele | Very Highas of Jul 15 | Grass | Moderate |
| American Fork | Very Highas of Jul 15 | Grass | Moderate |
| Cottonwood Heights | Very Highas of Jul 15 | Grass | Moderate |
| South Salt Lake | Very Highas of Jul 15 | Grass | Moderate |
| North Salt Lake | Very Highas of Jul 15 | Grass | Moderate |
| Brigham City | Very Highas of Jul 15 | Grass | Moderate |
| Heber | Very Highas of Jul 15 | Grass | Moderate |
| Smithfield | Very Highas of Jul 15 | Grass | Moderate |
| Pleasant View | Very Highas of Jul 15 | Grass | Moderate |
| Park City | Very Highas of Jul 15 | Grass | Moderate |
| Bear River City | Very Highas of Jul 15 | Grass | Moderate |
| St. George | Highas of Jul 15 | Grass | Moderate |
| Logan | Highas of Jul 15 | Grass | Moderate |
| Millcreek | Highas of Jul 15 | Grass | Moderate |
| Herriman | Highas of Jul 15 | Grass | Moderate |
| Roy | Highas of Jul 15 | Grass | Moderate |
| Washington | Highas of Jul 15 | Grass | Moderate |
| Grantsville | Highas of Jul 15 | Grass | Moderate |
| Vineyard | Highas of Jul 15 | Grass | Moderate |
| Stansbury Park | Highas of Jul 15 | Grass | Moderate |
| Stockton | Highas of Jul 15 | Grass | Moderate |
| Ivins | Highas of Jul 15 | Grass | Moderate |
| Sandy City | Highas of Jul 15 | Grass | Moderate |
| Provo | Moderateas of Jul 15 | Grass | Moderate |
| Orem | Moderateas of Jul 15 | Grass | Moderate |
| Sandy | Moderateas of Jul 15 | Grass | Moderate |
| Eagle Mountain | Moderateas of Jul 15 | Grass | Moderate |
| Spanish Fork | Moderateas of Jul 15 | Grass | Moderate |
| Pleasant Grove | Moderateas of Jul 15 | Grass | Moderate |
| Cedar City | Moderateas of Jul 15 | Grass | Moderate |
| Midvale | Moderateas of Jul 15 | Grass | Moderate |
| Syracuse | Moderateas of Jul 15 | Grass | Moderate |
| Kaysville | Moderateas of Jul 15 | Grass | Moderate |
| Holladay | Moderateas of Jul 15 | Grass | Moderate |
| Magna | Moderateas of Jul 15 | Grass | Moderate |
| Clinton | Moderateas of Jul 15 | Grass | Moderate |
| Bluffdale | Moderateas of Jul 15 | Grass | Moderate |
| Centerville | Moderateas of Jul 15 | Grass | Moderate |
| Mapleton | Moderateas of Jul 15 | Grass | Moderate |
| West Point | Moderateas of Jul 15 | Grass | Moderate |
| Morgan | Moderateas of Jul 15 | Grass | Moderate |
| Moab | Moderateas of Jul 15 | Grass | Moderate |
| Hanksville | Moderateas of Jul 15 | Grass | Moderate |
| Hyrum | Moderateas of Jul 15 | Grass | Moderate |
| Kamas | Moderateas of Jul 15 | Grass | Moderate |
| Midway | Moderateas of Jul 15 | Grass | Moderate |
| Saint George | Moderateas of Jul 15 | Grass | Moderate |
| Heber City | Moderateas of Jul 15 | Grass | Moderate |
| Bluff | Moderateas of Jul 15 | Grass | Moderate |
| Tremonton | Moderateas of Jul 15 | Grass | Moderate |
| Bingham Canyon | Moderateas of Jul 15 | Grass | Moderate |
| Mountain Green | Moderateas of Jul 15 | Grass | Moderate |
| Panguitch | Moderateas of Jul 15 | Grass | Moderate |
| Kanab | Moderateas of Jul 15 | Grass | Moderate |
| Wellsville | Moderateas of Jul 15 | Grass | Moderate |
| Springville | Lowas of Jul 15 | Grass | Moderate |
| Alpine | Lowas of Jul 15 | Grass | Moderate |
| West Jordan | No live reading | Not available | Moderate |
| Layton | No live reading | Not available | Moderate |
| Lehi | No live reading | Not available | Moderate |
| Murray | No live reading | Not available | Moderate |
| Saratoga Springs | No live reading | Not available | Moderate |
| Kearns | No live reading | Not available | Moderate |
| Clearfield | No live reading | Not available | Moderate |
| Farmington | No live reading | Not available | Moderate |
| Payson | No live reading | Not available | Moderate |
| Hurricane | No live reading | Not available | Moderate |
| North Ogden | No live reading | Not available | Moderate |
| West Haven | No live reading | Not available | Moderate |
| Highland | No live reading | Not available | Moderate |
| South Ogden | No live reading | Not available | Moderate |
| Santaquin | No live reading | Not available | Moderate |
| Lindon | No live reading | Not available | Moderate |
| Woods Cross | No live reading | Not available | Moderate |
| North Logan | No live reading | Not available | Moderate |
| Delta | No live reading | Not available | Moderate |
| Bonanza | No live reading | Not available | Moderate |
| Loa | No live reading | Not available | Moderate |
| Spring City | 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.
The Utah allergy season
Allergy levels in Utah peak in September, when ragweed pollen runs highest. The season moves through tree pollen around March, grass in June, weed pollen such as ragweed in September. Levels start to climb around March. The lowest pollen levels of the year arrive in January.
Common questions
When does allergy season start in Utah?
Pollen levels in Utah usually begin climbing in March and reach their highest point in September.
What is the worst month for allergies in Utah?
September is typically the worst month in Utah, driven by ragweed pollen.
When does ragweed season end in Utah?
Ragweed pollen in Utah usually fades by the end of October, after the first hard frost in colder areas.
When is the best time for allergies in Utah?
January usually brings the lowest pollen levels of the year in Utah.