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  4. Frederick County
  6. Rosemont

Rosemont

12, Petersville, Frederick County

2026-05-23 19:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
73.7
PM2.5
μg/m³
1.3
NO2
μg/m³
5.6
PM10
μg/m³
1.8
Weather
  • ℃
  • ℉
11℃
96%
6 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • NO2
  • PM10

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