South Carolina pollen and allergy seasons
South Carolina has an intense 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 September
Cities in South Carolina
No tracked cities yet for South 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 South Carolina for ozone, dust, and smoke readings by city.
The South Carolina allergy season
Allergy levels in South Carolina peak in March, when oak pollen runs highest. The season moves through tree pollen around March, 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 South Carolina?
Pollen levels in South Carolina usually begin climbing in February and reach their highest point in March.
What is the worst month for allergies in South Carolina?
March is typically the worst month in South Carolina, driven by oak pollen.
When does ragweed season end in South Carolina?
Ragweed pollen in South Carolina usually fades by the end of November, after the first hard frost in colder areas.
When is the best time for allergies in South Carolina?
January usually brings the lowest pollen levels of the year in South Carolina.