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  4. Worcester County

Worcester County

Massachusetts

2026-05-02 16:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
88.9
PM10
μg/m³
9.2
PM2.5
μg/m³
4.4
NO2
μg/m³
12.3
CO
μg/m³
250
SO2
μg/m³
0.6
Weather
  • ℃
  • ℉
11℃
77%
15 kph
6 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Ashburnham
AQI 4
Athol
AQI 26
Auburn
AQI 12
Barre Town
AQI 3
Berlin
AQI 12
Blackstone
AQI 7
Bolton
AQI 12
Boylston
AQI 12
Brookfield
AQI 3
Charlton
AQI 12
Clinton
AQI 12
Douglas
AQI 7
Dudley
AQI 7
East Brookfield
AQI 12
Fitchburg
AQI 25
Gardner
AQI 26
Grafton
AQI 12
Hardwick
AQI 3
Harvard
AQI 6
Holden
AQI 12
Hopedale
AQI 7
Hubbardston
AQI 12
Lancaster
AQI 12
Leicester
AQI 12
Leominster
AQI 12
Lunenburg
AQI 25
Mendon
AQI 7
Milford
AQI 7
Millbury
AQI 12
Millville
AQI 7
New Braintree
AQI 3
North Brookfield
AQI 3
Northborough
AQI 12
Northbridge
AQI 7
Oakham
AQI 12
Oxford
AQI 12
Paxton
AQI 12
Petersham
AQI 3
Phillipston
AQI 28
Princeton
AQI 12
Royalston
AQI 4
Rutland
AQI 12
Shrewsbury
AQI 12
Southborough
AQI 12
Southbridge
AQI 12
Spencer
AQI 12
Sterling
AQI 12
Sturbridge
AQI 12
Sutton
AQI 12
Templeton
AQI 27
Upton
AQI 7
Uxbridge
AQI 31
Warren
AQI 3
Webster
AQI 7
West Boylston
AQI 12
West Brookfield
AQI 3
Westborough
AQI 12
Westminster
AQI 25
Winchendon
AQI 4
Worcester
AQI 26
Data Sources
http://www.airnow.gov/

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Cities Nearby

Princeton
AQI 12
Holden
AQI 12
West Boylston
AQI 12
Sterling
AQI 12
Rutland
AQI 12
Paxton
AQI 12
Boylston
AQI 12
Hubbardston
AQI 12
Clinton
AQI 12
Leominster
AQI 12
Westminster
AQI 25