AQ Index for Columbia County, Washington

Home > USA > Washington > Columbia County

Air Quality Index for Columbia County, Washington

The area with the highest AQ Index (as of 23:00 PDT) in is in the Dayton area. Ozone (OZONE) is measuring at 26 (Good). This means air quality is satisfactory, and air pollution poses little or no risk.

Over the next few days, the highest primary air pollutant will be Particle Pollution (PM2.5) in the Dayton area. It is forecasted to be 0 (Good), meaning air quality is satisfactory, and air pollution poses little or no risk.

Below is a clickable map of Columbia County, Washington. The markers on the map identify large, populated cities. If you hover over a marker, it will display the city name and the current AQ index. The color of the city markers also references the current AQ risk level.

Range	0 - 50	51 - 100	101 - 150	151 - 200	201 - 300	301 - 500
Color
Category	Good	Moderate	Unhealthy for Sensitive Groups	Unhealthy	Very Unhealthy	Hazardous

AQ Index Forecast by City in Columbia County

Below is a list of cities in Columbia County where we track and forecast the AQ index. Click on a city name to get the current AQ index as well as any available forcasts.

Dayton

Starbuck