Today | Weather | Tuesday, April 28, 2026

Weather in Kennewick, Washington

11:39 PM
Today
Cloudy Night
Day 70°
Night 45°
Precipitation 0 %
Wind 7 mph

Kennewick Weather Forecast Updated

Air Quality in Kennewick

NOW
38 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.96 µg/m³
PM10 1.57 µg/m³
O3 0.041 ppm
NO2 0.9 ppb
SO2 0.1 ppb
CO 0.12 ppm
NH3 3.07 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.50.96 µg/m³
PM101.57 µg/m³
O380.65 µg/m³
NO21.74 µg/m³
SO20.14 µg/m³
CO131.83 µg/m³
NH33.07 µg/m³
NO0 µg/m³