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  4. Worcester County

Worcester County

Massachusetts

2026-08-20 12:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
45
PM10
μg/m³
13.3
PM2.5
μg/m³
6
NO2
μg/m³
6.2
CO
μg/m³
250
SO2
μg/m³
0.3
Weather
  • ℃
  • ℉
24℃
72%
13 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Ashburnham
AQI 9
Athol
AQI 14
Auburn
AQI 15
Barre Town
AQI 13
Berlin
AQI 15
Blackstone
AQI 9
Bolton
AQI 15
Boylston
AQI 15
Brookfield
AQI 15
Charlton
AQI 15
Clinton
AQI 15
Douglas
AQI 9
Dudley
AQI 9
East Brookfield
AQI 15
Fitchburg
AQI 16
Gardner
AQI 18
Grafton
AQI 15
Hardwick
AQI 14
Harvard
AQI 13
Holden
AQI 15
Hopedale
AQI 9
Hubbardston
AQI 15
Lancaster
AQI 15
Leicester
AQI 15
Leominster
AQI 15
Lunenburg
AQI 14
Mendon
AQI 9
Milford
AQI 9
Millbury
AQI 15
Millville
AQI 9
New Braintree
AQI 15
North Brookfield
AQI 15
Northborough
AQI 15
Northbridge
AQI 9
Oakham
AQI 15
Oxford
AQI 15
Paxton
AQI 15
Petersham
AQI 12
Phillipston
AQI 13
Princeton
AQI 15
Royalston
AQI 8
Rutland
AQI 15
Shrewsbury
AQI 15
Southborough
AQI 15
Southbridge
AQI 15
Spencer
AQI 15
Sterling
AQI 15
Sturbridge
AQI 15
Sutton
AQI 15
Templeton
AQI 14
Upton
AQI 9
Uxbridge
AQI 11
Warren
AQI 15
Webster
AQI 9
West Boylston
AQI 15
West Brookfield
AQI 15
Westborough
AQI 15
Westminster
AQI 15
Winchendon
AQI 9
Worcester
AQI 22
Data Sources
http://www.airnow.gov/

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Cities Nearby

Princeton
AQI 15
Holden
AQI 15
West Boylston
AQI 15
Sterling
AQI 15
Rutland
AQI 15
Paxton
AQI 15
Boylston
AQI 15
Hubbardston
AQI 15
Clinton
AQI 15
Leominster
AQI 15
Westminster
AQI 15