North Carolina pollen and allergy seasons
North Carolina has a strong spring tree season led by oak and pine, then grass into summer and ragweed in the fall.
Twelve month pollen calendar
What is active in August
Cities in North Carolina
No tracked cities yet for North Carolina.
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 North Carolina for ozone, dust, and smoke readings by city.
The North Carolina allergy season
Allergy levels in North Carolina peak in April, when oak pollen runs highest. The season moves through tree pollen around April, grass in May, 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 North Carolina?
Pollen levels in North Carolina usually begin climbing in February and reach their highest point in April.
What is the worst month for allergies in North Carolina?
April is typically the worst month in North Carolina, driven by oak pollen.
When does ragweed season end in North Carolina?
Ragweed pollen in North Carolina usually fades by the end of October, after the first hard frost in colder areas.
When is the best time for allergies in North Carolina?
January usually brings the lowest pollen levels of the year in North Carolina.