Vermont pollen and allergy seasons
Vermont has a late spring tree season, grass in early summer, and a moderate ragweed season in the fall.
Twelve month pollen calendar
What is active in September
Cities in Vermont
No tracked cities yet for Vermont.
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 Vermont for ozone, dust, and smoke readings by city.
The Vermont allergy season
Allergy levels in Vermont peak in April, when maple pollen runs highest. The season moves through tree pollen around April, grass in June, weed pollen such as ragweed in September. The lowest pollen levels of the year arrive in January.
Common questions
When does allergy season start in Vermont?
Pollen levels in Vermont usually begin climbing in April and reach their highest point in April.
What is the worst month for allergies in Vermont?
April is typically the worst month in Vermont, driven by maple pollen.
When does ragweed season end in Vermont?
Ragweed pollen in Vermont usually fades by the end of October, after the first hard frost in colder areas.
When is the best time for allergies in Vermont?
January usually brings the lowest pollen levels of the year in Vermont.