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  2. United States
  3. Massachusetts
  4. Worcester County

Worcester County

Massachusetts

2026-05-02 05:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
7.2
O3
μg/m³
72.9
PM10
μg/m³
11.6
NO2
μg/m³
22.6
CO
μg/m³
250
SO2
μg/m³
0.6
Weather
  • ℃
  • ℉
7℃
74%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
  • NO2
  • CO
  • SO2
Places included
Ashburnham
AQI 11
Athol
AQI 33
Auburn
AQI 27
Barre Town
AQI 25
Berlin
AQI 27
Blackstone
AQI 66
Bolton
AQI 27
Boylston
AQI 27
Brookfield
AQI 25
Charlton
AQI 27
Clinton
AQI 27
Douglas
AQI 66
Dudley
AQI 66
East Brookfield
AQI 27
Fitchburg
AQI 30
Gardner
AQI 33
Grafton
AQI 27
Hardwick
AQI 25
Harvard
AQI 37
Holden
AQI 27
Hopedale
AQI 66
Hubbardston
AQI 27
Lancaster
AQI 27
Leicester
AQI 27
Leominster
AQI 27
Lunenburg
AQI 28
Mendon
AQI 66
Milford
AQI 66
Millbury
AQI 27
Millville
AQI 66
New Braintree
AQI 25
North Brookfield
AQI 25
Northborough
AQI 27
Northbridge
AQI 66
Oakham
AQI 27
Oxford
AQI 27
Paxton
AQI 27
Petersham
AQI 25
Phillipston
AQI 36
Princeton
AQI 27
Royalston
AQI 19
Rutland
AQI 27
Shrewsbury
AQI 27
Southborough
AQI 27
Southbridge
AQI 27
Spencer
AQI 27
Sterling
AQI 27
Sturbridge
AQI 27
Sutton
AQI 27
Templeton
AQI 35
Upton
AQI 66
Uxbridge
AQI 66
Warren
AQI 25
Webster
AQI 66
West Boylston
AQI 27
West Brookfield
AQI 25
Westborough
AQI 27
Westminster
AQI 31
Winchendon
AQI 11
Worcester
AQI 36
Data Sources
http://www.airnow.gov/

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Cities Nearby

Princeton
AQI 27
Holden
AQI 27
West Boylston
AQI 27
Sterling
AQI 27
Rutland
AQI 27
Paxton
AQI 27
Boylston
AQI 27
Hubbardston
AQI 27
Clinton
AQI 27
Leominster
AQI 27
Westminster
AQI 31