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  4. Philadelphia County

Philadelphia County

Pennsylvania

2026-10-16 21:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
57.9
PM10
μg/m³
17
PM2.5
μg/m³
9.3
NO2
μg/m³
18.7
CO
μg/m³
541.7
SO2
μg/m³
1.9
Weather
  • ℃
  • ℉
23℃
82%
20 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Philadelphia
AQI 19
Data Sources
http://www.airnow.gov/

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