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  4. Worcester County

Worcester County

Massachusetts

2026-05-04 22:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
128.6
NO2
μg/m³
18.5
PM10
μg/m³
16.5
CO
μg/m³
250
PM2.5
μg/m³
4.6
SO2
μg/m³
0.9
Weather
  • ℃
  • ℉
18℃
42%
26 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • NO2
  • PM10
  • CO
  • PM2.5
  • SO2
Places included
Ashburnham
AQI 11
Athol
AQI 137
Auburn
AQI 18
Barre Town
AQI 13
Berlin
AQI 18
Blackstone
AQI 16
Bolton
AQI 18
Boylston
AQI 18
Brookfield
AQI 13
Charlton
AQI 18
Clinton
AQI 18
Douglas
AQI 16
Dudley
AQI 16
East Brookfield
AQI 18
Fitchburg
AQI 139
Gardner
AQI 138
Grafton
AQI 18
Hardwick
AQI 13
Harvard
AQI 8
Holden
AQI 18
Hopedale
AQI 16
Hubbardston
AQI 18
Lancaster
AQI 18
Leicester
AQI 18
Leominster
AQI 18
Lunenburg
AQI 138
Mendon
AQI 16
Milford
AQI 16
Millbury
AQI 18
Millville
AQI 16
New Braintree
AQI 13
North Brookfield
AQI 13
Northborough
AQI 18
Northbridge
AQI 16
Oakham
AQI 18
Oxford
AQI 18
Paxton
AQI 18
Petersham
AQI 13
Phillipston
AQI 140
Princeton
AQI 18
Royalston
AQI 8
Rutland
AQI 18
Shrewsbury
AQI 18
Southborough
AQI 18
Southbridge
AQI 18
Spencer
AQI 18
Sterling
AQI 18
Sturbridge
AQI 18
Sutton
AQI 18
Templeton
AQI 140
Upton
AQI 16
Uxbridge
AQI 143
Warren
AQI 13
Webster
AQI 16
West Boylston
AQI 18
West Brookfield
AQI 13
Westborough
AQI 18
Westminster
AQI 139
Winchendon
AQI 11
Worcester
AQI 143
Data Sources
http://www.airnow.gov/

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Cities Nearby

Princeton
AQI 18
Holden
AQI 18
West Boylston
AQI 18
Sterling
AQI 18
Rutland
AQI 18
Paxton
AQI 18
Boylston
AQI 18
Hubbardston
AQI 18
Clinton
AQI 18
Leominster
AQI 18
Westminster
AQI 139