Today | Weather | Tuesday, April 7, 2026

Weather in Richland, Washington

03:08 AM
Now
Night
59° F
Feels Like 55°
Precipitation 0 %
Wind 8 mph
Humidity 58 %
Today
Cloudy Weather
Day 75°
Night 36°
Precipitation 0 %
Wind 10 mph
UV Index (0 - 11+) 5

Richland Weather Forecast Updated

16 minutes ago
Last updated on

Air Quality in Richland

NOW
44 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.43 µg/m³
PM10 4.21 µg/m³
O3 0.048 ppm
NO2 0.4 ppb
SO2 0.1 ppb
CO 0.12 ppm
NH3 2.65 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)
PM2.53.43 µg/m³
PM104.21 µg/m³
O394.16 µg/m³
NO20.75 µg/m³
SO20.19 µg/m³
CO135.89 µg/m³
NH32.65 µg/m³
NO0 µg/m³