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  5. Greencastle

Greencastle

Franklin County, Pennsylvania

2026-05-10 14:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
73.3
PM10
μg/m³
18.1
PM2.5
μg/m³
7.4
Weather
  • ℃
  • ℉
19℃
70%
13 kph
4 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5

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