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  4. Philadelphia County

Philadelphia County

Pennsylvania

2025-12-17 09:00
AQI (China)
Excellent
Pollutants|Pollens
NO2
μg/m³
64.6
PM2.5
μg/m³
15.3
PM10
μg/m³
21
CO
μg/m³
625
O3
μg/m³
5.4
SO2
μg/m³
2.3
Weather
  • ℃
  • ℉
-2℃
77%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • NO2
  • PM2.5
  • PM10
  • CO
  • O3
  • SO2
Places included
Philadelphia
AQI 33
Data Sources
http://www.airnow.gov/

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