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  2. United States
  3. Massachusetts
  4. Middlesex County

Middlesex County

Massachusetts

2025-12-08 08:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
72.9
PM2.5
μg/m³
2.4
PM10
μg/m³
6.3
NO2
μg/m³
2.1
Weather
  • ℃
  • ℉
-3℃
51%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
Places included
Acton
AQI 14
Arlington
AQI 15
Ashby
AQI 11
Ashland
AQI 12
Ayer
AQI 14
Bedford
AQI 14
Belmont
AQI 15
Billerica
AQI 14
Boxborough
AQI 14
Burlington
AQI 14
Cambridge
AQI 15
Carlisle
AQI 14
Chelmsford
AQI 32
Concord
AQI 14
Dracut
AQI 14
Dunstable
AQI 14
Everett
AQI 13
Framingham
AQI 12
Groton
AQI 14
Holliston
AQI 12
Hopkinton Township
AQI 12
Hudson CDP
AQI 10
Lexington
AQI 15
Lincoln
AQI 15
Littleton
AQI 14
Lowell
AQI 14
Malden
AQI 13
Marlborough
AQI 10
Maynard
AQI 14
Medford
AQI 13
Melrose
AQI 12
Natick
AQI 15
Newton
AQI 15
North Reading
AQI 12
Pepperell
AQI 14
Reading
AQI 12
Sherborn
AQI 15
Shirley
AQI 14
Somerville
AQI 15
Stoneham
AQI 12
Stow
AQI 14
Sudbury
AQI 15
Tewksbury
AQI 14
Townsend
AQI 11
Tyngsborough
AQI 14
Wakefield
AQI 12
Waltham
AQI 15
Watertown
AQI 15
Wayland
AQI 15
Westford
AQI 14
Weston
AQI 15
Wilmington
AQI 14
Winchester
AQI 13
Woburn
AQI 13
Data Sources
http://www.airnow.gov/

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Cities Nearby

Bedford
AQI 14
Lincoln
AQI 15
Concord
AQI 14
Lexington
AQI 15
Carlisle
AQI 14
Burlington
AQI 14
Billerica
AQI 14
Waltham
AQI 15
Woburn
AQI 13
Weston
AQI 15
Belmont
AQI 15