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  4. Franklin County
  5. Mercersburg

Mercersburg

Franklin County, Pennsylvania

2025-12-26 11:00
AQHI (Canada)
Low
Pollutants|Pollens
O3
μg/m³
41.3
PM10
μg/m³
13.3
PM2.5
μg/m³
8.2
NO2
μg/m³
3
Weather
  • ℃
  • ℉
-2℃
67%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQHI (Canada)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • NO2

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