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  4. Worcester County

Worcester County

Massachusetts

2026-05-02 18:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
94.3
NO2
μg/m³
16.4
PM10
μg/m³
7.7
PM2.5
μg/m³
4.3
CO
μg/m³
250
SO2
μg/m³
0.9
Weather
  • ℃
  • ℉
9℃
87%
13 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • NO2
  • PM10
  • PM2.5
  • CO
  • SO2
Places included
Ashburnham
AQI 2
Athol
AQI 26
Auburn
AQI 10
Barre Town
AQI 3
Berlin
AQI 10
Blackstone
AQI 6
Bolton
AQI 10
Boylston
AQI 10
Brookfield
AQI 3
Charlton
AQI 10
Clinton
AQI 10
Douglas
AQI 6
Dudley
AQI 6
East Brookfield
AQI 10
Fitchburg
AQI 28
Gardner
AQI 28
Grafton
AQI 10
Hardwick
AQI 3
Harvard
AQI 6
Holden
AQI 10
Hopedale
AQI 6
Hubbardston
AQI 10
Lancaster
AQI 10
Leicester
AQI 10
Leominster
AQI 10
Lunenburg
AQI 29
Mendon
AQI 6
Milford
AQI 6
Millbury
AQI 10
Millville
AQI 6
New Braintree
AQI 3
North Brookfield
AQI 3
Northborough
AQI 10
Northbridge
AQI 6
Oakham
AQI 10
Oxford
AQI 10
Paxton
AQI 10
Petersham
AQI 3
Phillipston
AQI 27
Princeton
AQI 10
Royalston
AQI 2
Rutland
AQI 10
Shrewsbury
AQI 10
Southborough
AQI 10
Southbridge
AQI 10
Spencer
AQI 10
Sterling
AQI 10
Sturbridge
AQI 10
Sutton
AQI 10
Templeton
AQI 27
Upton
AQI 6
Uxbridge
AQI 31
Warren
AQI 3
Webster
AQI 6
West Boylston
AQI 10
West Brookfield
AQI 3
Westborough
AQI 10
Westminster
AQI 28
Winchendon
AQI 2
Worcester
AQI 29
Data Sources
http://www.airnow.gov/

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Cities Nearby

Princeton
AQI 10
Holden
AQI 10
West Boylston
AQI 10
Sterling
AQI 10
Rutland
AQI 10
Paxton
AQI 10
Boylston
AQI 10
Hubbardston
AQI 10
Clinton
AQI 10
Leominster
AQI 10
Westminster
AQI 28