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  4. Washington County

Washington County

Oregon

2026-05-28 12:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
4.8
O3
μg/m³
19.3
NO2
μg/m³
10.3
CO
μg/m³
250
Weather
  • ℃
  • ℉
12℃
85%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • NO2
  • CO
Places included
Aloha
AQI 28
Banks
AQI 15
Beaverton
AQI 28
Cedar Hills
AQI 28
Cornelius
AQI 15
Durham
AQI 34
Forest Grove
AQI 15
Garden Home-Whitford
AQI 28
Gaston
AQI 15
Hillsboro
AQI 28
King City
AQI 34
Metzger
AQI 28
North Plains
AQI 28
Raleigh Hills
AQI 28
Sherwood
AQI 34
Tigard
AQI 34
Tualatin
AQI 34
West Haven-Sylvan
AQI 26
Data Sources
http://www.airnow.gov/

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Cities Nearby

Forest Grove
AQI 15
Cornelius
AQI 15
Banks
AQI 15
Gaston
AQI 15
North Plains
AQI 28
Hillsboro
AQI 28
Aloha
AQI 28
Yamhill
AQI 15
Cedar Hills
AQI 28
Beaverton
AQI 28
West Haven-Sylvan
AQI 26