AL · Allergy Season Guide
Alabama Allergy Season Guide
Alabama experiences a humid subtropical climate with long, hot, humid summers and short, mild winters.
Summary
Alabama 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 Alabama
Statewide allergy overview
Alabama 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 Alabama, but most of the state shares a common seasonal rhythm of spring tree pollen, summer grass pollen, and late-summer to fall weed pollen.
Alabama 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 |
Top airborne molds
Major city guides in Alabama
AL
Huntsville
View Huntsville allergy season guide →
AL
Birmingham
View Birmingham allergy season guide →
AL
Montgomery
View Montgomery allergy season guide →
AL
Mobile
View Mobile allergy season guide →
AL
Tuscaloosa
View Tuscaloosa allergy season guide →
Latest PollyMap reports for Alabama
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Frequently asked questions
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