Kansas pollen and allergy seasons
Kansas has an early tree season, grass in early summer, and a very heavy ragweed season in the fall.
Twelve month pollen calendar
What is active in September
Cities in Kansas
No tracked cities yet for Kansas.
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 Kansas for ozone, dust, and smoke readings by city.
The Kansas allergy season
Allergy levels in Kansas 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 February. The lowest pollen levels of the year arrive in January.
Common questions
When does allergy season start in Kansas?
Pollen levels in Kansas usually begin climbing in February and reach their highest point in September.
What is the worst month for allergies in Kansas?
September is typically the worst month in Kansas, driven by ragweed pollen.
When does ragweed season end in Kansas?
Ragweed pollen in Kansas usually fades by the end of October, after the first hard frost in colder areas.
When is the best time for allergies in Kansas?
January usually brings the lowest pollen levels of the year in Kansas.