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  4. Washington County

Washington County

Oregon

2026-09-16 16:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
6.4
NO2
μg/m³
22.6
O3
μg/m³
19.3
CO
μg/m³
500
Weather
  • ℃
  • ℉
19℃
66%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • NO2
  • O3
  • CO
Places included
Aloha
AQI 30
Banks
AQI 30
Beaverton
AQI 30
Cedar Hills
AQI 30
Cornelius
AQI 30
Durham
AQI 50
Forest Grove
AQI 30
Garden Home-Whitford
AQI 30
Gaston
AQI 30
Hillsboro
AQI 32
King City
AQI 50
Metzger
AQI 30
North Plains
AQI 32
Raleigh Hills
AQI 30
Sherwood
AQI 50
Tigard
AQI 50
Tualatin
AQI 50
West Haven-Sylvan
AQI 32
Data Sources
http://www.airnow.gov/

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Cities Nearby

Forest Grove
AQI 30
Cornelius
AQI 30
Banks
AQI 30
Gaston
AQI 30
North Plains
AQI 32
Hillsboro
AQI 32
Aloha
AQI 30
Yamhill
AQI 30
Cedar Hills
AQI 30
Beaverton
AQI 30
West Haven-Sylvan
AQI 32