Today | Weather | Wednesday, December 24, 2025

Weather in Richland, Washington

10:08 AM
Now
Rainy Weather
46° F
Feels Like 46°
Precipitation 41 %
Wind 6 mph
UV Index (0 - 11+) 1
Humidity 83 %
Today
Cloudy Weather
Day 52°
Night 34°
Precipitation 49 %
Wind 7 mph
UV Index (0 - 11+) 1

Richland Weather Forecast Updated

14 minutes ago
Last updated on

Air Quality in Richland

NOW
32 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.11 µg/m³
PM10 1.93 µg/m³
O3 0.034 ppm
NO2 1.1 ppb
SO2 0 ppb
CO 0.10 ppm
NH3 0.08 µg/m³
NO 0.03 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)
PM2.51.11 µg/m³
PM101.93 µg/m³
O367.13 µg/m³
NO22 µg/m³
SO20.03 µg/m³
CO118.88 µg/m³
NH30.08 µg/m³
NO0.03 µg/m³