Low
Pollen is low — most people won't notice
Multiple pollen types are active · Tomorrow → · Updated 11 hours ago
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Pollen levels in Memphis are currently low. Most people should not experience allergy symptoms from pollen.
Tree pollen: Very Low. Grass pollen: Very Low. Weed pollen: None.
Pollen conditions in Memphis are expected to remain similar tomorrow.
Memphis sits in the humid subtropical climate of the Mid-South, where a long growing season, mild winters, and Mississippi River Valley moisture combine to create one of the more challenging allergy environments in the United States.
Tree pollen kicks off the year aggressively, typically from late February through May, with oak, cedar, elm, maple, sweetgum, hickory, pecan, and mulberry producing heavy loads; oak is often the most punishing, peaking in April.
As trees taper off, grass pollen takes over from May through early August, dominated by Bermuda, Johnson, Timothy, and Kentucky bluegrass, with an extended peak thanks to the region's warm, wet summers. There is often a notable overlap in May and June, when lingering tree pollen meets emerging grasses, intensifying symptoms for many residents.
Weed season follows from August through the first hard frost, with ragweed as the primary offender, alongside pigweed, lamb's quarters, and sagebrush.
Beyond pollen, Memphis's persistent humidity fuels year-round outdoor and indoor mold, particularly Alternaria and Cladosporium, while dust mites thrive in the damp air and ground-level ozone and particulate pollution can worsen reactions.
Overall, Memphis is defined by a long, overlapping pollen calendar compounded by heavy mold and humidity-driven triggers.