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  4. Franklin County
  5. Mercersburg

Mercersburg

Franklin County, Pennsylvania

2025-12-19 01:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
11.4
PM10
μg/m³
21.8
O3
μg/m³
45.6
NO2
μg/m³
17.5
Weather
  • ℃
  • ℉
7℃
91%
12 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • O3
  • NO2

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