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  4. Worcester County

Worcester County

Massachusetts

2026-08-20 18:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
94.3
PM10
μg/m³
11.9
PM2.5
μg/m³
6
NO2
μg/m³
10.3
CO
μg/m³
250
SO2
μg/m³
0.6
Weather
  • ℃
  • ℉
26℃
64%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Ashburnham
AQI 10
Athol
AQI 28
Auburn
AQI 12
Barre Town
AQI 12
Berlin
AQI 12
Blackstone
AQI 10
Bolton
AQI 12
Boylston
AQI 12
Brookfield
AQI 12
Charlton
AQI 12
Clinton
AQI 12
Douglas
AQI 10
Dudley
AQI 10
East Brookfield
AQI 12
Fitchburg
AQI 30
Gardner
AQI 28
Grafton
AQI 12
Hardwick
AQI 29
Harvard
AQI 9
Holden
AQI 12
Hopedale
AQI 10
Hubbardston
AQI 12
Lancaster
AQI 12
Leicester
AQI 12
Leominster
AQI 12
Lunenburg
AQI 30
Mendon
AQI 10
Milford
AQI 10
Millbury
AQI 12
Millville
AQI 10
New Braintree
AQI 12
North Brookfield
AQI 12
Northborough
AQI 12
Northbridge
AQI 10
Oakham
AQI 12
Oxford
AQI 12
Paxton
AQI 12
Petersham
AQI 26
Phillipston
AQI 21
Princeton
AQI 12
Royalston
AQI 12
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 22
Upton
AQI 10
Uxbridge
AQI 34
Warren
AQI 36
Webster
AQI 10
West Boylston
AQI 12
West Brookfield
AQI 12
Westborough
AQI 12
Westminster
AQI 30
Winchendon
AQI 10
Worcester
AQI 32
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 30