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  4. Frederick County

Frederick County

Maryland

2026-03-09 11:00
CAQI (Europe)
Very Low
Pollutants|Pollens
PM10
μg/m³
7
PM2.5
μg/m³
1.6
O3
μg/m³
0
Weather
  • ℃
  • ℉
10℃
76%
4 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • PM10
  • PM2.5
  • O3
Places included
11, Woodsboro
AQI 16
12, Petersville
AQI 2
15, Thurmont
AQI 2
2, Frederick
AQI 0
20, Lewistown
AQI 2
21, Tuscarora
AQI 2
22, Burkittsville
AQI 2
24, Braddock
AQI 2
25, Brunswick
AQI 2
26, Walkersville
AQI 16
5, Emmitsburg
AQI 6
Buckeystown
AQI 8
Jackson
AQI 2
Middletown
AQI 2
New Market
AQI 5
Urbana
AQI 16
Woodville
AQI 16
Data Sources
http://www.airnow.gov/

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Cities Nearby

Ballenger Creek
AQI 16
Braddock Heights
AQI 2
Frederick
AQI 0
Clover Hill
AQI 2
Middletown
AQI 2
Urbana
AQI 16
Discovery-Spring Garden
AQI 16
Linganore-Bartonsville
AQI 16
Burkittsville
AQI 2
Rosemont
AQI 2
Walkersville
AQI 16