North Dakota pollen and allergy seasons
North Dakota has a late compressed season, with tree pollen in spring, grass in early summer, and a heavy ragweed season in the fall.
Twelve month pollen calendar
What is active in July
Cities in North Dakota
| City | Today | Worst today | Typical in July |
|---|---|---|---|
| Fargo | Very Highas of Jul 15 | Grass | High |
| Bismarck | Very Highas of Jul 15 | Grass | High |
| Grand Forks | Very Highas of Jul 15 | Grass | High |
| West Fargo | Very Highas of Jul 15 | Grass | High |
| Kindred | Very Highas of Jul 15 | Grass | High |
| Valley City | Very Highas of Jul 15 | Grass | High |
| Gwinner | Very Highas of Jul 15 | Grass | High |
| Kenmare | Very Highas of Jul 15 | Grass | High |
| New Salem | Very Highas of Jul 15 | Grass | High |
| Medora | Very Highas of Jul 15 | Grass | High |
| Carrington | Very Highas of Jul 15 | Grass | High |
| Devils Lake | Highas of Jul 15 | Grass | High |
| Minot | Moderateas of Jul 15 | Grass | High |
| Williston | Moderateas of Jul 15 | Grass | High |
| Mandan | Moderateas of Jul 15 | Grass | High |
| Jamestown | Moderateas of Jul 15 | Grass | High |
| Michigan | Moderateas of Jul 15 | Grass | High |
| Wahpeton | Moderateas of Jul 15 | Grass | High |
| Dickinson | 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 North Dakota allergy season
Allergy levels in North Dakota 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 North Dakota?
Pollen levels in North Dakota usually begin climbing in April and reach their highest point in September.
What is the worst month for allergies in North Dakota?
September is typically the worst month in North Dakota, driven by ragweed pollen.
When does ragweed season end in North Dakota?
Ragweed pollen in North Dakota usually fades by the end of October, after the first hard frost in colder areas.
When is the best time for allergies in North Dakota?
January usually brings the lowest pollen levels of the year in North Dakota.