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  2. United States
  3. Massachusetts
  4. Middlesex County

Middlesex County

Massachusetts

2026-01-19 15:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
8.5
O3
μg/m³
49.3
PM10
μg/m³
18.7
NO2
μg/m³
34.9
Weather
  • ℃
  • ℉
0℃
84%
7 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
  • NO2
Places included
Acton
AQI 54
Arlington
AQI 44
Ashby
AQI 28
Ashland
AQI 31
Ayer
AQI 54
Bedford
AQI 54
Belmont
AQI 44
Billerica
AQI 54
Boxborough
AQI 54
Burlington
AQI 54
Cambridge
AQI 44
Carlisle
AQI 54
Chelmsford
AQI 54
Concord
AQI 54
Dracut
AQI 54
Dunstable
AQI 54
Everett
AQI 43
Framingham
AQI 31
Groton
AQI 54
Holliston
AQI 31
Hopkinton Township
AQI 31
Hudson CDP
AQI 34
Lexington
AQI 44
Lincoln
AQI 44
Littleton
AQI 54
Lowell
AQI 54
Malden
AQI 43
Marlborough
AQI 34
Maynard
AQI 54
Medford
AQI 43
Melrose
AQI 34
Natick
AQI 44
Newton
AQI 44
North Reading
AQI 34
Pepperell
AQI 54
Reading
AQI 34
Sherborn
AQI 44
Shirley
AQI 54
Somerville
AQI 44
Stoneham
AQI 34
Stow
AQI 54
Sudbury
AQI 44
Tewksbury
AQI 54
Townsend
AQI 28
Tyngsborough
AQI 54
Wakefield
AQI 34
Waltham
AQI 44
Watertown
AQI 44
Wayland
AQI 44
Westford
AQI 54
Weston
AQI 44
Wilmington
AQI 54
Winchester
AQI 43
Woburn
AQI 43
Data Sources
http://www.airnow.gov/

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Cities Nearby

Bedford
AQI 54
Lincoln
AQI 44
Concord
AQI 54
Lexington
AQI 44
Carlisle
AQI 54
Burlington
AQI 54
Billerica
AQI 54
Waltham
AQI 44
Woburn
AQI 43
Weston
AQI 44
Belmont
AQI 44