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  4. Harford County

Harford County

Maryland

2025-12-31 20:00
CAQI (Europe)
Very Low
Pollutants|Pollens
O3
μg/m³
60
PM10
μg/m³
10
PM2.5
μg/m³
4.9
Weather
  • ℃
  • ℉
0℃
55%
5 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
1, Abingdon
AQI 25
2, Halls Cross Roads
AQI 9
4, Marshall
AQI 10
6, Havre de Grace
AQI 9
Bel Air
AQI 10
Data Sources
http://www.airnow.gov/

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Cities Nearby

Bel Air North
AQI 10
Bel Air
AQI 10
Fallston
AQI 10
Bel Air South
AQI 10
Jarrettsville
AQI 7
Churchville
AQI 9
Pleasant Hills
AQI 10
Delta
AQI 28
Fawn Grove
AQI 28
Aberdeen
AQI 9
Edgewood
AQI 25