What is the air quality in Kennewick WA?

Kennewick WA, United States of America has an annual US AQI of 41 (Reasonable) and average PM2.5 of 6.6 µg/m³, ranking #282 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Kennewick WA?

March is typically the cleanest month (AQI 33) and August the most polluted (AQI 48).

Where does Kennewick WA's air quality data come from?

PM2.5: 1998–2026 (monitors 1999–2002, 2006–2013, 2015, 2017–2026, satellite 1998–2005, 2014, 2016; 2026 provisional (AirNow)). Measured by government monitoring stations. Full sources are on the methodology page.

Kennewick WA, United States of America — Air Quality & Clean City Guide 2026

Kennewick WA Air Quality Data

Global rank	City	Continent	AQI	PM2.5
282	Kennewick WA, United States of America	North America	AQI 41	PM2.5 6.6 µg/m³