Washington Air Quality Index (AQI) and Air Pollution

The Washington Air Quality Index (AQI) today is 33 (Good). The dominant pollutant is O3. Other measured pollutants include NO₂ (1.3 ppb), SO₂ (0.1 ppb), CO (0.138 ppm), O₃ (0.035 ppm), PM10 (5.7µg/m³), PM2.5 (4.1 µg/m³), contributing to air pollution.

Live AQI

33(US-AQI)

Air Quality is

Good

Main Pollutant: O3

Last updated: just now

Good
Moderate
Poor
Unhealthy
Severe
Hazardous
0
50
100
150
200
300301+
Current Air Quality Index (AQI) undefined
10°C
64%
8 Km/h

Major Pollutants

PM2.5
Good

4.1 µg/m³

PM10
Good

5.7 µg/m³

O₃
Good

0.035 ppm

CO
Good

0.138 ppm

NO₂
Good

1.3 ppb

SO₂
Good

0.1 ppb

Explore City-wise Air Quality Index (AQI) in Washington

Frequently Asked Questions about Air Quality Washington