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  4. Washington County

Washington County

Oregon

2026-09-16 08:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
6.4
NO2
μg/m³
26.7
CO
μg/m³
375
O3
μg/m³
6.4
Weather
  • ℃
  • ℉
13℃
79%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • NO2
  • CO
  • O3
Places included
Aloha
AQI 34
Banks
AQI 34
Beaverton
AQI 34
Cedar Hills
AQI 34
Cornelius
AQI 34
Durham
AQI 43
Forest Grove
AQI 34
Garden Home-Whitford
AQI 34
Gaston
AQI 34
Hillsboro
AQI 33
King City
AQI 43
Metzger
AQI 34
North Plains
AQI 33
Raleigh Hills
AQI 34
Sherwood
AQI 43
Tigard
AQI 43
Tualatin
AQI 43
West Haven-Sylvan
AQI 29
Data Sources
http://www.airnow.gov/

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Cities Nearby

Forest Grove
AQI 34
Cornelius
AQI 34
Banks
AQI 34
Gaston
AQI 34
North Plains
AQI 33
Hillsboro
AQI 33
Aloha
AQI 34
Yamhill
AQI 34
Cedar Hills
AQI 34
Beaverton
AQI 34
West Haven-Sylvan
AQI 29