Pollen Level
Loading
Fetching live data
Loading city data
Current Conditions
Air Quality
Loading
Fetching live data
Weather
Loading
Fetching live data
Checking today's conditions
Gathering pollen, air quality, and weather data for you.
Loading city data
Pollen Level
Loading
Fetching live data
Air Quality
Loading
Fetching live data
Weather
Loading
Fetching live data
Gathering pollen, air quality, and weather data for you.
Gathering pollen, air quality, and weather data for you.
Pollen Level
Loading
Fetching live data
Air Quality
Loading
Fetching live data
Weather
Loading
Fetching live data
Philadelphia's allergy season typically runs from March through October, with two distinct peaks. Tree pollen surges in spring, then ragweed takes over in late summer. Understanding these patterns helps residents of Philadelphia, PA plan outdoor activities and manage symptoms.
Right now: August is when ragweed season begins in Philadelphia. Counts can spike quickly after dry, windy days.
Spring
Mar – May
Oak, birch, and maple tree pollen peak. Highest risk in April–May.
Summer
May – Jul
Grass pollen dominates. Humid days can elevate mold spore counts.
Fall
Aug – Oct
Ragweed season. Second major peak for allergy sufferers.
Coastal breezes near Philadelphia can provide temporary relief, but spring nor'easters often redistribute pollen across wide areas. PollenTracker monitors these daily shifts so you know when it's safe to head outside.
Open another nearby forecast without going back to the map.
YES
Conditions are manageable, but Tree pollen is moderate and air quality is fair. Most people can head out with light precautions.
Pollen: Tree pollen risk is medium today; source reading: Google UPI 1/5 (Very Low).
Best hours: 19:00-21:00
Weather
88°F
Sunny · 73% humidity · 7 mph wind
Google UPI 0/5