Walla Walla County air quality
Updated 04/10, 19:09
The data may not be up to date.
Current AQI
US EPA scale · observed at 19:00
38
GoodAir quality is good; enjoy outdoor activities.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 5,9 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 6,1 µg/m³ | Particles ≤ 10 µm |
| O₃ | 81 µg/m³ | Ozone |
| NO₂ | 6,7 µg/m³ | Nitrogen dioxide |
| SO₂ | 0,5 µg/m³ | Sulphur dioxide |
| CO | 218 µg/m³ | Carbon monoxide |