A map shows which states will have the worst pollen counts in 2026.

"The seasonal allergy season in America is expanding at both ends," an AccuWeather meteorologist said.

Tree pollen is expected to start filling the air earlier than normal and will remain above normal levels for several weeks, AccuWeather’s senior meteorologist Alan Reppert said. Dramatically high ...

Data: Climate Central; Note: Map shows data for the two largest cities in each state, where available; Map: Axios Visuals ...

Yesterday was very nice, but I’ll admit… It was a bit too warm. The light southwest wind picked up just a bit more than forecast. That allowed the temperatures to push up into the low ...

Dry, breezy weather is helping to enhance pollen readings across the state with oak, juniper, pine and grasses being the top ...

"Rain, drizzle, and high humidity will help to depress the counts somewhat. Warm, sunny weather will keep the pollen coming, especially if you add some wind," Kosisky said. April is typically the peak ...

AccuWeather says pollen levels have already started to ramp up in some southern and western states, and the levels will rise in northern states during the spring.

Pollen season is already making itself known across parts of the South and West, where warm afternoons and budding trees signal the return of spring. But along with azaleas and fresh-cut grass comes a ...

As temperatures rise in Beaufort County, a familiar blanket of yellow dust will make a return — along with pesky seasonal allergies. Pollen counts in South Carolina can begin rising as early as ...

From 1970-2025, spring warmed by 2.6°F on average across these cities. On average, spring has warmed the most in cities ...