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  5. Mercersburg

Mercersburg

Franklin County, Pennsylvania

2026-09-18 07:00
CAQI (Europe)
Low
Pollutants|Pollens
O3
μg/m³
67.8
PM2.5
μg/m³
6.8
PM10
μg/m³
4.7
Weather
  • ℃
  • ℉
22℃
94%
8 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • PM2.5
  • PM10

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