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  2. United States
  3. Massachusetts
  4. Worcester County

Worcester County

Massachusetts

2026-03-09 11:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
7.7
NO2
μg/m³
43.1
O3
μg/m³
34.3
PM10
μg/m³
11.5
CO
μg/m³
875
SO2
μg/m³
4.6
Weather
  • ℃
  • ℉
8℃
78%
7 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • NO2
  • O3
  • PM10
  • CO
  • SO2
Places included
Ashburnham
AQI 15
Athol
AQI 53
Auburn
AQI 49
Barre Town
AQI 22
Berlin
AQI 49
Blackstone
AQI 47
Bolton
AQI 49
Boylston
AQI 49
Brookfield
AQI 22
Charlton
AQI 49
Clinton
AQI 49
Douglas
AQI 47
Dudley
AQI 47
East Brookfield
AQI 49
Fitchburg
AQI 50
Gardner
AQI 50
Grafton
AQI 49
Hardwick
AQI 22
Harvard
AQI 38
Holden
AQI 49
Hopedale
AQI 47
Hubbardston
AQI 49
Lancaster
AQI 49
Leicester
AQI 49
Leominster
AQI 49
Lunenburg
AQI 50
Mendon
AQI 47
Milford
AQI 47
Millbury
AQI 49
Millville
AQI 47
New Braintree
AQI 22
North Brookfield
AQI 22
Northborough
AQI 49
Northbridge
AQI 47
Oakham
AQI 49
Oxford
AQI 49
Paxton
AQI 49
Petersham
AQI 22
Phillipston
AQI 53
Princeton
AQI 49
Royalston
AQI 54
Rutland
AQI 49
Shrewsbury
AQI 49
Southborough
AQI 49
Southbridge
AQI 49
Spencer
AQI 49
Sterling
AQI 49
Sturbridge
AQI 49
Sutton
AQI 49
Templeton
AQI 53
Upton
AQI 47
Uxbridge
AQI 47
Warren
AQI 22
Webster
AQI 47
West Boylston
AQI 49
West Brookfield
AQI 22
Westborough
AQI 49
Westminster
AQI 50
Winchendon
AQI 15
Worcester
AQI 49
Data Sources
http://www.airnow.gov/

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Cities Nearby

Princeton
AQI 49
Holden
AQI 49
West Boylston
AQI 49
Sterling
AQI 49
Rutland
AQI 49
Paxton
AQI 49
Boylston
AQI 49
Hubbardston
AQI 49
Clinton
AQI 49
Leominster
AQI 49
Westminster
AQI 50