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  3. Massachusetts
  4. Middlesex County

Middlesex County

Massachusetts

2025-12-16 12:00
AQI (China)
Excellent
Pollutants|Pollens
NO2
μg/m³
55.4
PM10
μg/m³
21.2
O3
μg/m³
42.9
PM2.5
μg/m³
6.3
Weather
  • ℃
  • ℉
-3℃
70%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • NO2
  • PM10
  • O3
  • PM2.5
Places included
Acton
AQI 10
Arlington
AQI 25
Ashby
AQI 5
Ashland
AQI 9
Ayer
AQI 10
Bedford
AQI 25
Belmont
AQI 25
Billerica
AQI 25
Boxborough
AQI 10
Burlington
AQI 25
Cambridge
AQI 25
Carlisle
AQI 10
Chelmsford
AQI 28
Concord
AQI 25
Dracut
AQI 10
Dunstable
AQI 10
Everett
AQI 25
Framingham
AQI 9
Groton
AQI 10
Holliston
AQI 9
Hopkinton Township
AQI 9
Hudson CDP
AQI 47
Lexington
AQI 25
Lincoln
AQI 25
Littleton
AQI 10
Lowell
AQI 10
Malden
AQI 25
Marlborough
AQI 47
Maynard
AQI 10
Medford
AQI 25
Melrose
AQI 25
Natick
AQI 25
Newton
AQI 25
North Reading
AQI 25
Pepperell
AQI 10
Reading
AQI 25
Sherborn
AQI 25
Shirley
AQI 10
Somerville
AQI 25
Stoneham
AQI 25
Stow
AQI 10
Sudbury
AQI 25
Tewksbury
AQI 10
Townsend
AQI 5
Tyngsborough
AQI 10
Wakefield
AQI 25
Waltham
AQI 25
Watertown
AQI 25
Wayland
AQI 25
Westford
AQI 10
Weston
AQI 25
Wilmington
AQI 25
Winchester
AQI 25
Woburn
AQI 25
Data Sources
http://www.airnow.gov/

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Cities Nearby

Bedford
AQI 25
Lincoln
AQI 25
Concord
AQI 25
Lexington
AQI 25
Carlisle
AQI 10
Burlington
AQI 25
Billerica
AQI 25
Waltham
AQI 25
Woburn
AQI 25
Weston
AQI 25
Belmont
AQI 25