Today | Weather | Tuesday, April 7, 2026

Weather in Kennewick, Washington

08:41 AM
Now
Cloudy Weather
61° F
Feels Like 55°
Precipitation 0 %
Wind 15 mph
UV Index (0 - 11+) 2
Humidity 46 %
Today
Cloudy Weather
Day 73°
Night 34°
Precipitation 0 %
Wind 10 mph
UV Index (0 - 11+) 5

Kennewick Weather Forecast Updated

Last updated on

Air Quality in Kennewick

NOW
49 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.99 µg/m³
PM10 3.89 µg/m³
O3 0.053 ppm
NO2 0.4 ppb
SO2 0.1 ppb
CO 0.12 ppm
NH3 1.41 µg/m³
NO 0.11 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)
PM2.52.99 µg/m³
PM103.89 µg/m³
O3103.8 µg/m³
NO20.81 µg/m³
SO20.16 µg/m³
CO135.33 µg/m³
NH31.41 µg/m³
NO0.11 µg/m³