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  4. Worcester County

Worcester County

Massachusetts

2026-05-04 20:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
128.6
PM10
μg/m³
15.2
CO
μg/m³
250
NO2
μg/m³
8.2
PM2.5
μg/m³
4.1
SO2
μg/m³
0.9
Weather
  • ℃
  • ℉
20℃
34%
22 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • CO
  • NO2
  • PM2.5
  • SO2
Places included
Ashburnham
AQI 10
Athol
AQI 134
Auburn
AQI 16
Barre Town
AQI 14
Berlin
AQI 16
Blackstone
AQI 15
Bolton
AQI 16
Boylston
AQI 16
Brookfield
AQI 14
Charlton
AQI 16
Clinton
AQI 16
Douglas
AQI 15
Dudley
AQI 15
East Brookfield
AQI 16
Fitchburg
AQI 137
Gardner
AQI 137
Grafton
AQI 16
Hardwick
AQI 14
Harvard
AQI 7
Holden
AQI 16
Hopedale
AQI 15
Hubbardston
AQI 16
Lancaster
AQI 16
Leicester
AQI 16
Leominster
AQI 16
Lunenburg
AQI 137
Mendon
AQI 15
Milford
AQI 15
Millbury
AQI 16
Millville
AQI 15
New Braintree
AQI 14
North Brookfield
AQI 14
Northborough
AQI 16
Northbridge
AQI 15
Oakham
AQI 16
Oxford
AQI 16
Paxton
AQI 16
Petersham
AQI 14
Phillipston
AQI 137
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 137
Upton
AQI 15
Uxbridge
AQI 143
Warren
AQI 14
Webster
AQI 15
West Boylston
AQI 16
West Brookfield
AQI 14
Westborough
AQI 16
Westminster
AQI 138
Winchendon
AQI 10
Worcester
AQI 143
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