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  4. Baltimore County

Baltimore County

Maryland

2026-05-02 17:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
90
PM2.5
μg/m³
3.2
NO2
μg/m³
10.7
Weather
  • ℃
  • ℉
14℃
41%
13 kph
4 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • NO2
Places included
11
AQI 23
15
AQI 12
Baltimore
AQI 12
District 14
AQI 12
District 3
AQI 12
District 4
AQI 23
District 9
AQI 23
Garrison
AQI 23
Owings Mills
AQI 23
Sparks
AQI 39
Data Sources
http://www.airnow.gov/

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Cities Nearby

Owings Mills
AQI 23
Garrison
AQI 23
Cockeysville
AQI 39
Pikesville
AQI 12
Towson
AQI 23
Lochearn
AQI 12
Hampstead
AQI 23
Parkville
AQI 12
Catonsville
AQI 12
Baltimore
AQI 38
Sykesville
AQI 40