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  4. Washington County

Washington County

Oregon

2026-05-26 08:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
45
PM2.5
μg/m³
2.9
NO2
μg/m³
2.1
CO
μg/m³
0
Weather
  • ℃
  • ℉
10℃
89%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • NO2
  • CO
Places included
Aloha
AQI 15
Banks
AQI 13
Beaverton
AQI 15
Cedar Hills
AQI 15
Cornelius
AQI 13
Durham
AQI 15
Forest Grove
AQI 13
Garden Home-Whitford
AQI 15
Gaston
AQI 13
Hillsboro
AQI 30
King City
AQI 15
Metzger
AQI 15
North Plains
AQI 30
Raleigh Hills
AQI 15
Sherwood
AQI 15
Tigard
AQI 15
Tualatin
AQI 20
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 30
Hillsboro
AQI 30
Aloha
AQI 15
Yamhill
AQI 13
Cedar Hills
AQI 15
Beaverton
AQI 15
West Haven-Sylvan
AQI 16