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  4. Westmoreland County

Westmoreland County

Pennsylvania

2026-09-21 14:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
3.5
O3
μg/m³
45
Weather
  • ℃
  • ℉
15℃
89%
17 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
Places included
Adamsburg
AQI 20
Allegheny Township
AQI 15
Arnold
AQI 15
Arona
AQI 20
Avonmore
AQI 15
Bell Township
AQI 15
Bolivar
AQI 19
Cook Township
AQI 20
Delmont
AQI 20
Derry
AQI 20
Derry Township
AQI 20
Donegal
AQI 20
Donegal Township
AQI 20
East Huntingdon Township
AQI 20
East Vandergrift
AQI 15
Export
AQI 20
Fairfield Township
AQI 19
Hempfield Township
AQI 20
Hyde Park
AQI 15
Irwin
AQI 20
Jeannette
AQI 20
Latrobe
AQI 20
Laurel Mountain
AQI 19
Ligonier
AQI 20
Ligonier Township
AQI 20
Lower Burrell
AQI 15
Loyalhanna Township
AQI 20
Madison
AQI 20
Manor
AQI 20
Monessen
AQI 27
Mount Pleasant
AQI 20
Mount Pleasant Township
AQI 20
Murrysville
AQI 19
New Alexandria
AQI 20
New Florence
AQI 19
New Kensington
AQI 15
New Stanton
AQI 20
North Belle Vernon
AQI 27
North Huntingdon Township
AQI 20
North Irwin
AQI 20
Oklahoma
AQI 15
Penn
AQI 20
Penn Township
AQI 20
Rostraver Township
AQI 27
Salem Township
AQI 20
Scottdale
AQI 20
Seward
AQI 19
Sewickley Township
AQI 27
Smithton
AQI 27
South Greensburg
AQI 20
South Huntingdon Township
AQI 20
Southwest Greensburg
AQI 20
St. Clair Township
AQI 19
Sutersville
AQI 27
Trafford
AQI 19
Unity Township
AQI 20
Upper Burrell Township
AQI 15
Vandergrift
AQI 15
Washington Township
AQI 15
West Leechburg
AQI 15
West Newton
AQI 27
Youngstown
AQI 20
Youngwood
AQI 20
Data Sources
http://www.airnow.gov/

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Cities Nearby

South Greensburg
AQI 20
Southwest Greensburg
AQI 20
Youngwood
AQI 20
Greensburg
AQI 20
Youngstown
AQI 20
Mount Pleasant
AQI 20
New Stanton
AQI 20
Latrobe
AQI 20
Acme
AQI 20
Hunker
AQI 20
Donegal
AQI 20