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  4. Worcester County

Worcester County

Massachusetts

2026-08-20 09:00
AQI (China)
Excellent
Pollutants|Pollens
NO2
μg/m³
39
PM10
μg/m³
11.2
O3
μg/m³
30
PM2.5
μg/m³
5.9
CO
μg/m³
375
SO2
μg/m³
0.6
Weather
  • ℃
  • ℉
16℃
95%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • NO2
  • PM10
  • O3
  • PM2.5
  • CO
  • SO2
Places included
Ashburnham
AQI 9
Athol
AQI 12
Auburn
AQI 12
Barre Town
AQI 11
Berlin
AQI 12
Blackstone
AQI 9
Bolton
AQI 12
Boylston
AQI 12
Brookfield
AQI 12
Charlton
AQI 12
Clinton
AQI 12
Douglas
AQI 9
Dudley
AQI 9
East Brookfield
AQI 12
Fitchburg
AQI 20
Gardner
AQI 17
Grafton
AQI 12
Hardwick
AQI 11
Harvard
AQI 13
Holden
AQI 12
Hopedale
AQI 9
Hubbardston
AQI 12
Lancaster
AQI 12
Leicester
AQI 12
Leominster
AQI 12
Lunenburg
AQI 20
Mendon
AQI 9
Milford
AQI 9
Millbury
AQI 12
Millville
AQI 9
New Braintree
AQI 12
North Brookfield
AQI 12
Northborough
AQI 12
Northbridge
AQI 9
Oakham
AQI 12
Oxford
AQI 12
Paxton
AQI 12
Petersham
AQI 10
Phillipston
AQI 12
Princeton
AQI 12
Royalston
AQI 8
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 13
Upton
AQI 9
Uxbridge
AQI 9
Warren
AQI 11
Webster
AQI 9
West Boylston
AQI 12
West Brookfield
AQI 12
Westborough
AQI 12
Westminster
AQI 18
Winchendon
AQI 9
Worcester
AQI 20
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 18