1. North America
  2. United States
  3. Massachusetts
  4. Worcester County

Worcester County

Massachusetts

2026-05-02 04:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
63.2
PM2.5
μg/m³
4.3
NO2
μg/m³
26.7
PM10
μg/m³
8.9
CO
μg/m³
250
SO2
μg/m³
0.6
Weather
  • ℃
  • ℉
7℃
71%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • NO2
  • PM10
  • CO
  • SO2
Places included
Ashburnham
AQI 10
Athol
AQI 34
Auburn
AQI 27
Barre Town
AQI 27
Berlin
AQI 27
Blackstone
AQI 18
Bolton
AQI 27
Boylston
AQI 27
Brookfield
AQI 27
Charlton
AQI 27
Clinton
AQI 27
Douglas
AQI 18
Dudley
AQI 18
East Brookfield
AQI 27
Fitchburg
AQI 31
Gardner
AQI 34
Grafton
AQI 27
Hardwick
AQI 27
Harvard
AQI 29
Holden
AQI 27
Hopedale
AQI 18
Hubbardston
AQI 27
Lancaster
AQI 27
Leicester
AQI 27
Leominster
AQI 27
Lunenburg
AQI 29
Mendon
AQI 18
Milford
AQI 18
Millbury
AQI 27
Millville
AQI 18
New Braintree
AQI 27
North Brookfield
AQI 27
Northborough
AQI 27
Northbridge
AQI 18
Oakham
AQI 27
Oxford
AQI 27
Paxton
AQI 27
Petersham
AQI 27
Phillipston
AQI 37
Princeton
AQI 27
Royalston
AQI 17
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 36
Upton
AQI 18
Uxbridge
AQI 20
Warren
AQI 27
Webster
AQI 18
West Boylston
AQI 27
West Brookfield
AQI 27
Westborough
AQI 27
Westminster
AQI 32
Winchendon
AQI 10
Worcester
AQI 36
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 32