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  4. Washington County

Washington County

Oregon

2026-05-26 05:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
42.9
PM2.5
μg/m³
2.4
NO2
μg/m³
12.3
CO
μg/m³
125
Weather
  • ℃
  • ℉
10℃
90%
5 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • NO2
  • CO
Places included
Aloha
AQI 14
Banks
AQI 13
Beaverton
AQI 14
Cedar Hills
AQI 14
Cornelius
AQI 13
Durham
AQI 17
Forest Grove
AQI 13
Garden Home-Whitford
AQI 14
Gaston
AQI 13
Hillsboro
AQI 7
King City
AQI 17
Metzger
AQI 14
North Plains
AQI 7
Raleigh Hills
AQI 14
Sherwood
AQI 17
Tigard
AQI 17
Tualatin
AQI 19
West Haven-Sylvan
AQI 16
Data Sources
http://www.airnow.gov/

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Cities Nearby

Forest Grove
AQI 13
Cornelius
AQI 13
Banks
AQI 13
Gaston
AQI 13
North Plains
AQI 7
Hillsboro
AQI 7
Aloha
AQI 14
Yamhill
AQI 13
Cedar Hills
AQI 14
Beaverton
AQI 14
West Haven-Sylvan
AQI 16