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  4. Worcester County

Worcester County

Massachusetts

2026-05-04 15:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
113.6
PM10
μg/m³
13
CO
μg/m³
250
NO2
μg/m³
6.2
PM2.5
μg/m³
3.9
SO2
μg/m³
0.9
Weather
  • ℃
  • ℉
18℃
36%
35 kph
4 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • CO
  • NO2
  • PM2.5
  • SO2
Places included
Ashburnham
AQI 8
Athol
AQI 116
Auburn
AQI 15
Barre Town
AQI 11
Berlin
AQI 15
Blackstone
AQI 10
Bolton
AQI 15
Boylston
AQI 15
Brookfield
AQI 11
Charlton
AQI 15
Clinton
AQI 15
Douglas
AQI 10
Dudley
AQI 10
East Brookfield
AQI 15
Fitchburg
AQI 118
Gardner
AQI 119
Grafton
AQI 15
Hardwick
AQI 11
Harvard
AQI 7
Holden
AQI 15
Hopedale
AQI 10
Hubbardston
AQI 15
Lancaster
AQI 15
Leicester
AQI 15
Leominster
AQI 15
Lunenburg
AQI 117
Mendon
AQI 10
Milford
AQI 10
Millbury
AQI 15
Millville
AQI 10
New Braintree
AQI 11
North Brookfield
AQI 11
Northborough
AQI 15
Northbridge
AQI 10
Oakham
AQI 15
Oxford
AQI 15
Paxton
AQI 15
Petersham
AQI 11
Phillipston
AQI 118
Princeton
AQI 15
Royalston
AQI 7
Rutland
AQI 15
Shrewsbury
AQI 15
Southborough
AQI 15
Southbridge
AQI 15
Spencer
AQI 15
Sterling
AQI 15
Sturbridge
AQI 15
Sutton
AQI 15
Templeton
AQI 118
Upton
AQI 10
Uxbridge
AQI 117
Warren
AQI 11
Webster
AQI 10
West Boylston
AQI 15
West Brookfield
AQI 11
Westborough
AQI 15
Westminster
AQI 117
Winchendon
AQI 8
Worcester
AQI 124
Data Sources
http://www.airnow.gov/

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Cities Nearby

Princeton
AQI 15
Holden
AQI 15
West Boylston
AQI 15
Sterling
AQI 15
Rutland
AQI 15
Paxton
AQI 15
Boylston
AQI 15
Hubbardston
AQI 15
Clinton
AQI 15
Leominster
AQI 15
Westminster
AQI 117