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  4. Washington County

Washington County

Oregon

2025-12-19 17:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
4.1
NO2
μg/m³
34.9
O3
μg/m³
25.7
CO
μg/m³
375
Weather
  • ℃
  • ℉
4℃
95%
3 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • NO2
  • O3
  • CO
Places included
Aloha
AQI 22
Banks
AQI 14
Beaverton
AQI 22
Cedar Hills
AQI 22
Cornelius
AQI 14
Durham
AQI 21
Forest Grove
AQI 14
Garden Home-Whitford
AQI 22
Gaston
AQI 14
Hillsboro
AQI 49
King City
AQI 21
Metzger
AQI 22
North Plains
AQI 49
Raleigh Hills
AQI 22
Sherwood
AQI 21
Tigard
AQI 21
Tualatin
AQI 21
West Haven-Sylvan
AQI 25
Data Sources
http://www.airnow.gov/

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Cities Nearby

Forest Grove
AQI 14
Cornelius
AQI 14
Banks
AQI 14
Gaston
AQI 14
North Plains
AQI 49
Hillsboro
AQI 49
Aloha
AQI 22
Yamhill
AQI 14
Cedar Hills
AQI 22
Beaverton
AQI 22
West Haven-Sylvan
AQI 25