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  4. Harford County

Harford County

Maryland

2026-06-23 11:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
8.1
O3
μg/m³
55.5
NO2
μg/m³
22.6
PM10
μg/m³
5.5
Weather
  • ℃
  • ℉
21℃
87%
2 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • O3
  • NO2
  • PM10
Places included
1, Abingdon
AQI 32
2, Halls Cross Roads
AQI 27
4, Marshall
AQI 68
6, Havre de Grace
AQI 34
Bel Air
AQI 46
Data Sources
http://www.airnow.gov/

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Cities Nearby

Bel Air North
AQI 46
Bel Air
AQI 46
Fallston
AQI 36
Bel Air South
AQI 33
Jarrettsville
AQI 61
Churchville
AQI 38
Pleasant Hills
AQI 33
Delta
AQI 61
Fawn Grove
AQI 68
Aberdeen
AQI 29
Edgewood
AQI 32