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)

  • Please visit Department of Ecology's website here to view current AQI.

Ozone (03)

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

Quick Links


Our new website will be available Summer of 2024. If you are currently experiencing any issues, please call 509-783-1304 for assistance.

The Benton Clean Air Agency will be holding a regular board meeting on Thursday, February 22nd, 2024 at 5:00pm. Click this link to attend the Zoom meeting or enter the ID: 851 6974 3073 and password: 150678


A meeting of the City Selection Committee for the Benton Clean Air Agency has been scheduled for Wednesday February 21st, 2024, at 2:00 pm. The purpose of the meeting is to appoint a member of the Benton Clean Air Agency Board.

The meeting will be held at the Benton Clean Air Agency’s offices at 526 South Steptoe Street in Kennewick, 99336. Light refreshments will be served.

The meeting will be to fill the vacant “Large City” (Kennewick) representative on the Benton Clean Air Agency Board. The appointment will be for the remainder of the four (4) year term through December 31, 2026.

Click this link to attend the Zoom meeting or enter the ID: 821 9928 7793 and password: 549476


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