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  4. Worcester County

Worcester County

Massachusetts

2026-05-05 02:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
111.4
PM10
μg/m³
14.3
CO
μg/m³
250
NO2
μg/m³
8.2
PM2.5
μg/m³
5.5
SO2
μg/m³
0.6
Weather
  • ℃
  • ℉
12℃
65%
22 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • CO
  • NO2
  • PM2.5
  • SO2
Places included
Ashburnham
AQI 15
Athol
AQI 129
Auburn
AQI 14
Barre Town
AQI 17
Berlin
AQI 14
Blackstone
AQI 13
Bolton
AQI 14
Boylston
AQI 14
Brookfield
AQI 17
Charlton
AQI 14
Clinton
AQI 14
Douglas
AQI 13
Dudley
AQI 13
East Brookfield
AQI 14
Fitchburg
AQI 133
Gardner
AQI 134
Grafton
AQI 14
Hardwick
AQI 17
Harvard
AQI 9
Holden
AQI 14
Hopedale
AQI 13
Hubbardston
AQI 14
Lancaster
AQI 14
Leicester
AQI 14
Leominster
AQI 14
Lunenburg
AQI 133
Mendon
AQI 13
Milford
AQI 13
Millbury
AQI 14
Millville
AQI 13
New Braintree
AQI 17
North Brookfield
AQI 17
Northborough
AQI 14
Northbridge
AQI 13
Oakham
AQI 14
Oxford
AQI 14
Paxton
AQI 14
Petersham
AQI 17
Phillipston
AQI 127
Princeton
AQI 14
Royalston
AQI 9
Rutland
AQI 14
Shrewsbury
AQI 14
Southborough
AQI 14
Southbridge
AQI 14
Spencer
AQI 14
Sterling
AQI 14
Sturbridge
AQI 14
Sutton
AQI 14
Templeton
AQI 128
Upton
AQI 13
Uxbridge
AQI 111
Warren
AQI 17
Webster
AQI 13
West Boylston
AQI 14
West Brookfield
AQI 17
Westborough
AQI 14
Westminster
AQI 128
Winchendon
AQI 15
Worcester
AQI 124
Data Sources
http://www.airnow.gov/

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Cities Nearby

Princeton
AQI 14
Holden
AQI 14
West Boylston
AQI 14
Sterling
AQI 14
Rutland
AQI 14
Paxton
AQI 14
Boylston
AQI 14
Hubbardston
AQI 14
Clinton
AQI 14
Leominster
AQI 14
Westminster
AQI 128