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  4. Worcester County

Worcester County

Massachusetts

2026-05-05 16:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
123.2
PM10
μg/m³
23.4
NO2
μg/m³
12.3
PM2.5
μg/m³
7.9
CO
μg/m³
250
SO2
μg/m³
0.9
Weather
  • ℃
  • ℉
27℃
39%
33 kph
6 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • NO2
  • PM2.5
  • CO
  • SO2
Places included
Ashburnham
AQI 12
Athol
AQI 122
Auburn
AQI 27
Barre Town
AQI 19
Berlin
AQI 27
Blackstone
AQI 19
Bolton
AQI 27
Boylston
AQI 27
Brookfield
AQI 19
Charlton
AQI 27
Clinton
AQI 27
Douglas
AQI 19
Dudley
AQI 19
East Brookfield
AQI 27
Fitchburg
AQI 132
Gardner
AQI 132
Grafton
AQI 27
Hardwick
AQI 19
Harvard
AQI 14
Holden
AQI 27
Hopedale
AQI 19
Hubbardston
AQI 27
Lancaster
AQI 27
Leicester
AQI 27
Leominster
AQI 27
Lunenburg
AQI 133
Mendon
AQI 19
Milford
AQI 19
Millbury
AQI 27
Millville
AQI 19
New Braintree
AQI 19
North Brookfield
AQI 19
Northborough
AQI 27
Northbridge
AQI 19
Oakham
AQI 27
Oxford
AQI 27
Paxton
AQI 27
Petersham
AQI 19
Phillipston
AQI 124
Princeton
AQI 27
Royalston
AQI 12
Rutland
AQI 27
Shrewsbury
AQI 27
Southborough
AQI 27
Southbridge
AQI 27
Spencer
AQI 27
Sterling
AQI 27
Sturbridge
AQI 27
Sutton
AQI 27
Templeton
AQI 126
Upton
AQI 19
Uxbridge
AQI 130
Warren
AQI 19
Webster
AQI 19
West Boylston
AQI 27
West Brookfield
AQI 19
Westborough
AQI 27
Westminster
AQI 128
Winchendon
AQI 12
Worcester
AQI 139
Data Sources
http://www.airnow.gov/

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Cities Nearby

Princeton
AQI 27
Holden
AQI 27
West Boylston
AQI 27
Sterling
AQI 27
Rutland
AQI 27
Paxton
AQI 27
Boylston
AQI 27
Hubbardston
AQI 27
Clinton
AQI 27
Leominster
AQI 27
Westminster
AQI 128