Mississippi pollen and allergy seasons
Mississippi has a long warm season, with oak in early spring, grass through the summer, and ragweed in the fall.
Twelve month pollen calendar
What is active in September
Cities in Mississippi
No tracked cities yet for Mississippi.
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 Mississippi for ozone, dust, and smoke readings by city.
The Mississippi allergy season
Allergy levels in Mississippi 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 Mississippi?
Pollen levels in Mississippi usually begin climbing in February and reach their highest point in March.
What is the worst month for allergies in Mississippi?
March is typically the worst month in Mississippi, driven by oak pollen.
When does ragweed season end in Mississippi?
Ragweed pollen in Mississippi usually fades by the end of November, after the first hard frost in colder areas.
When is the best time for allergies in Mississippi?
January usually brings the lowest pollen levels of the year in Mississippi.