Today | Weather | Thursday, December 4, 2025

Weather in Richland, Washington

02:09 AM
Now
Cloudy Weather
36° F
Feels Like 37°
Precipitation 17 %
Wind 4 mph
Humidity 89 %
Today
Rainy Weather
Day 41°
Night 36°
Precipitation 88 %
Wind 4 mph
UV Index (0 - 11+) 0

Richland Weather Forecast Updated

53 minutes ago
Last updated on

Air Quality in Richland

NOW
15 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.77 µg/m³
PM10 2.75 µg/m³
O3 0.017 ppm
NO2 3.6 ppb
SO2 0 ppb
CO 0.16 ppm
NH3 0.57 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)
PM2.51.77 µg/m³
PM102.75 µg/m³
O332.84 µg/m³
NO26.84 µg/m³
SO20.08 µg/m³
CO180.45 µg/m³
NH30.57 µg/m³
NO0 µg/m³