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  4. Worcester County

Worcester County

Massachusetts

2026-05-05 18:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
133.9
PM10
μg/m³
26.5
PM2.5
μg/m³
8.2
CO
μg/m³
250
NO2
μg/m³
8.2
SO2
μg/m³
1.1
Weather
  • ℃
  • ℉
27℃
35%
32 kph
3 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • CO
  • NO2
  • SO2
Places included
Ashburnham
AQI 14
Athol
AQI 154
Auburn
AQI 32
Barre Town
AQI 22
Berlin
AQI 32
Blackstone
AQI 17
Bolton
AQI 32
Boylston
AQI 32
Brookfield
AQI 22
Charlton
AQI 32
Clinton
AQI 32
Douglas
AQI 17
Dudley
AQI 17
East Brookfield
AQI 32
Fitchburg
AQI 150
Gardner
AQI 152
Grafton
AQI 32
Hardwick
AQI 22
Harvard
AQI 17
Holden
AQI 32
Hopedale
AQI 17
Hubbardston
AQI 32
Lancaster
AQI 32
Leicester
AQI 32
Leominster
AQI 32
Lunenburg
AQI 150
Mendon
AQI 17
Milford
AQI 17
Millbury
AQI 32
Millville
AQI 17
New Braintree
AQI 22
North Brookfield
AQI 22
Northborough
AQI 32
Northbridge
AQI 17
Oakham
AQI 32
Oxford
AQI 32
Paxton
AQI 32
Petersham
AQI 22
Phillipston
AQI 157
Princeton
AQI 32
Royalston
AQI 12
Rutland
AQI 32
Shrewsbury
AQI 32
Southborough
AQI 32
Southbridge
AQI 32
Spencer
AQI 32
Sterling
AQI 32
Sturbridge
AQI 32
Sutton
AQI 32
Templeton
AQI 154
Upton
AQI 17
Uxbridge
AQI 146
Warren
AQI 22
Webster
AQI 17
West Boylston
AQI 32
West Brookfield
AQI 22
Westborough
AQI 32
Westminster
AQI 148
Winchendon
AQI 14
Worcester
AQI 155
Data Sources
http://www.airnow.gov/

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Cities Nearby

Princeton
AQI 32
Holden
AQI 32
West Boylston
AQI 32
Sterling
AQI 32
Rutland
AQI 32
Paxton
AQI 32
Boylston
AQI 32
Hubbardston
AQI 32
Clinton
AQI 32
Leominster
AQI 32
Westminster
AQI 148