Benton Clean Air Agency

Air Quality

This data is reported directly from the WA Department of Ecology's website. Please visit the Department of Ecology's website here for current information.

Kennewick PM10 (Dust) & PM2.5 (Smoke)

  • The dominant pollutant will be displayed on the gauge.

Prosser PM2.5 (Smoke)

Ozone (03)

  • Our Ozone monitoring season has now concluded. We will resume the program in spring 2024.

Quick Links

The Benton Clean Air Agency will be holding a regular board meeting on Thursday, October 26, 2023 at 5:00pm. Click this link to attend the Zoom meeting or enter the ID: 892 6400 4619 and password: 643464


Washington Smoke Information - County, state, and federal agencies provide information for Washington communities affected by smoke from wildland fires (includes links in Spanish)

We would like to take a moment to acknowledge Ben Franklin Transit for it’s continual support and proactive work in being part of the solution to our ozone problem in the Tri-City area. To find out more, visit their website at

Statewide Air Monitoring Network - Ecology’s monitors, the color codes indicate the air quality at each monitor. Please note that some of the monitors will not reflect the level of smoke/PM2.5 because they measure another pollutant. PM2.5 can be selected at the top.

Ecology’s Webpage on Outdoor or Windblown Dust -provides information on sources, health effects, and how to protect yourself from windblown dust

Understanding Burn Bans - A video that explains the different types of burn bans and why they are important

Emergency Alerts - Sign up to receive emergency weather alerts

Proof of Notification - New marijuana production and processing notification