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  4. Worcester County

Worcester County

Massachusetts

2026-05-05 00:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
116.8
NO2
μg/m³
12.3
PM10
μg/m³
15.1
CO
μg/m³
250
PM2.5
μg/m³
4.9
SO2
μg/m³
0.9
Weather
  • ℃
  • ℉
14℃
58%
24 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 139
Auburn
AQI 16
Barre Town
AQI 20
Berlin
AQI 16
Blackstone
AQI 10
Bolton
AQI 16
Boylston
AQI 16
Brookfield
AQI 20
Charlton
AQI 16
Clinton
AQI 16
Douglas
AQI 10
Dudley
AQI 10
East Brookfield
AQI 16
Fitchburg
AQI 137
Gardner
AQI 138
Grafton
AQI 16
Hardwick
AQI 20
Harvard
AQI 9
Holden
AQI 16
Hopedale
AQI 10
Hubbardston
AQI 16
Lancaster
AQI 16
Leicester
AQI 16
Leominster
AQI 16
Lunenburg
AQI 136
Mendon
AQI 10
Milford
AQI 10
Millbury
AQI 16
Millville
AQI 10
New Braintree
AQI 20
North Brookfield
AQI 20
Northborough
AQI 16
Northbridge
AQI 10
Oakham
AQI 16
Oxford
AQI 16
Paxton
AQI 16
Petersham
AQI 20
Phillipston
AQI 144
Princeton
AQI 16
Royalston
AQI 8
Rutland
AQI 16
Shrewsbury
AQI 16
Southborough
AQI 16
Southbridge
AQI 16
Spencer
AQI 16
Sterling
AQI 16
Sturbridge
AQI 16
Sutton
AQI 16
Templeton
AQI 141
Upton
AQI 10
Uxbridge
AQI 117
Warren
AQI 20
Webster
AQI 10
West Boylston
AQI 16
West Brookfield
AQI 20
Westborough
AQI 16
Westminster
AQI 138
Winchendon
AQI 11
Worcester
AQI 133
Data Sources
http://www.airnow.gov/

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Cities Nearby

Princeton
AQI 16
Holden
AQI 16
West Boylston
AQI 16
Sterling
AQI 16
Rutland
AQI 16
Paxton
AQI 16
Boylston
AQI 16
Hubbardston
AQI 16
Clinton
AQI 16
Leominster
AQI 16
Westminster
AQI 138