GA · Allergy Season Guide
Georgia Allergy Season Guide
Georgia experiences a humid subtropical climate with long, hot, humid summers and short, mild winters.
Summary
Georgia has 0 active PollyMap collection sites, and is seeking partners in 5 additional cities. Tree pollen typically dominates early spring, grass pollen peaks in late spring and early summer, and weed pollen (including ragweed) extends from late summer through fall.
PollyMap collection status across Georgia
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- Pollen from local trees, grasses and weeds
- Airborne mold spores
- Dust mites and other indoor allergens
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Statewide allergy overview
Georgia experiences a humid subtropical climate with long, hot, humid summers and short, mild winters.
Oak, pine, cedar, and pecan create an intense, early spring tree season — sometimes coating cars in yellow pine pollen by March. Bermuda and Bahia grass pollinate from late spring through fall, and ragweed dominates the late-summer weed load.
Year-round humidity makes the Southeast one of the highest mold-load regions in the country, with Cladosporium and Alternaria peaking after summer thunderstorms and tropical systems.
Allergy patterns vary by elevation and proximity to coast or mountains within Georgia, but most of the state shares a common seasonal rhythm of spring tree pollen, summer grass pollen, and late-summer to fall weed pollen.
Georgia allergy calendar
Month-by-month intensity for the four major airborne allergen categories.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tree | Mod | High | V.High | V.High | High | Mod | Low | Low | Low | Low | Low | Mod |
| Grass | Low | Low | Mod | High | V.High | V.High | High | Mod | Mod | Low | Low | Low |
| Weed | Low | Low | Mod | Mod | Mod | Mod | High | V.High | V.High | High | Mod | Low |
| Mold | Mod | Mod | Mod | High | High | V.High | V.High | V.High | V.High | High | Mod | Mod |
Seasonal focus · Oct–Dec
October–December in Georgia
Georgia's fall allergy season is dominated by ragweed, which peaks in September and October and can linger until the first frost — often not until November in the southern half of the state. Warm, humid autumns also keep outdoor mold spores elevated, especially as fallen leaves pile up.
By December, pollen levels finally ease across most of Georgia, but mild winters mean the break is short. In South Georgia, trees can begin pollinating by late January, so the window between fall weed season and spring tree season is narrow.
Top airborne molds
Major city guides in Georgia
Latest PollyMap reports for Georgia
Frequently asked questions
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