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  4. Washington County

Washington County

Oregon

2026-09-14 14:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
4.6
NO2
μg/m³
28.8
O3
μg/m³
12.9
CO
μg/m³
500
Weather
  • ℃
  • ℉
13℃
86%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • NO2
  • O3
  • CO
Places included
Aloha
AQI 25
Banks
AQI 19
Beaverton
AQI 25
Cedar Hills
AQI 25
Cornelius
AQI 19
Durham
AQI 34
Forest Grove
AQI 19
Garden Home-Whitford
AQI 25
Gaston
AQI 19
Hillsboro
AQI 22
King City
AQI 34
Metzger
AQI 25
North Plains
AQI 22
Raleigh Hills
AQI 25
Sherwood
AQI 34
Tigard
AQI 34
Tualatin
AQI 34
West Haven-Sylvan
AQI 19
Data Sources
http://www.airnow.gov/

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Cities Nearby

Forest Grove
AQI 19
Cornelius
AQI 19
Banks
AQI 19
Gaston
AQI 19
North Plains
AQI 22
Hillsboro
AQI 22
Aloha
AQI 25
Yamhill
AQI 19
Cedar Hills
AQI 25
Beaverton
AQI 25
West Haven-Sylvan
AQI 19