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  4. Allegheny County
  5. Castle Shannon

Castle Shannon

Allegheny County, Pennsylvania

2026-06-28 13:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
10.8
Weather
  • ℃
  • ℉
22℃
95%
3 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
Data Sources
http://www.airnow.gov/

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