Philadelphia, PA Air Quality
As of 7:42 PMAcceptable for most people; unusually sensitive people should take it easier outdoors.
Next 24 hours
US AQIAir quality outlook
Worst hour each day- Today80Moderate
- Thu 8114Unhealthy for sensitive groups
- Fri 955Moderate
- Sat 1049Good
- Sun 1141Good
From our air-quality forecast models (GEOS-CF / GEFS aerosols). AQI uses the US EPA scale.
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Philadelphia is in Philadelphia County, Pennsylvania, United States at 39.95°, -75.16°. Right now it’s 64° and mostly clear; today’s high is 69° with a 0% chance of rain.
Pennsylvania has a humid continental climate with distinct seasonal changes that vary significantly across the state's diverse topography. The southeastern lowlands around Philadelphia experience milder winters and hotter summers than the mountainous interior. The Appalachian Mountains running through the center of the state create orographic effects that enhance precipitation and generate temperature contrasts between the eastern and western slopes.
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