1. North America
  2. United States
  3. Oregon
  4. Washington County

Washington County

Oregon

2026-09-18 18:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
42.9
PM2.5
μg/m³
7.8
NO2
μg/m³
20.5
CO
μg/m³
375
Weather
  • ℃
  • ℉
16℃
72%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM2.5
  • NO2
  • CO
Places included
Aloha
AQI 11
Banks
AQI 11
Beaverton
AQI 10
Cedar Hills
AQI 11
Cornelius
AQI 11
Durham
AQI 14
Forest Grove
AQI 12
Garden Home-Whitford
AQI 11
Gaston
AQI 11
Hillsboro
AQI 11
King City
AQI 14
Metzger
AQI 11
North Plains
AQI 10
Raleigh Hills
AQI 11
Sherwood
AQI 14
Tigard
AQI 14
Tualatin
AQI 14
West Haven-Sylvan
AQI 8
Data Sources
http://www.airnow.gov/

Get the App

Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.

iPhone, iPad

Android

Cities Nearby

Forest Grove
AQI 12
Cornelius
AQI 11
Banks
AQI 11
Gaston
AQI 11
North Plains
AQI 10
Hillsboro
AQI 11
Aloha
AQI 11
Yamhill
AQI 11
Cedar Hills
AQI 11
Beaverton
AQI 10
West Haven-Sylvan
AQI 8