Low
Pollen is low — most people won't notice
Grass pollen is the main trigger · Updated 23 hours ago
Today in Birmingham: grass pollen is very low, tree pollen is none, weed pollen is none. Overall score: 6/100. Allergies are unlikely for most people right now. Updated at 1:01 AM.
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Pollen levels in Birmingham are currently low. Most people should not experience allergy symptoms from pollen.
Tree pollen: None. Grass pollen: Very Low. Weed pollen: None.
Tomorrow's pollen forecast for Birmingham is not yet available.
Grass pollen is the highest supported pollen type in Birmingham today. Grass pollen is very low.
Tree pollen in Birmingham is none today.
Grass pollen in Birmingham is very low today.
Weed pollen in Birmingham is none today.
Tomorrow's pollen forecast for Birmingham is not yet available.
Birmingham, Alabama consistently ranks among the most challenging U.S. cities for allergy sufferers, largely due to its humid subtropical climate, long growing season, and position in a valley surrounded by wooded foothills of the Appalachians that trap pollen and pollutants.
Tree pollen launches the allergy year early, often beginning in late February and peaking through April, with oak, pine, cedar, juniper, birch, hickory, sweetgum, and sycamore producing especially heavy loads—pine pollen coats surfaces in yellow each spring. As tree season winds down, grass pollen rises from late April through July, dominated by Bermuda, Johnson, Timothy, and Bahia grasses, with the tree-grass overlap in May often intensifying symptoms.
Weed season follows from August through the first frost in late October or November, driven by ragweed, pigweed, lamb's quarters, and sagebrush, with ragweed being the most potent fall trigger.
Beyond pollen, Birmingham's persistent humidity fuels year-round outdoor and indoor mold growth, particularly Alternaria and Cladosporium, while dust mites thrive in humid homes. The metro area's ozone levels and vehicle-related pollution can further aggravate respiratory symptoms.
Overall, Birmingham's allergy profile is defined by a long, overlapping pollen calendar, high mold burden, and humidity-driven intensity that leaves few truly symptom-free weeks.