Today | Weather | Tuesday, January 13, 2026

Weather in Olympia, Washington

02:04 PM
Now
Cloudy Weather
55° F
Feels Like 55°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 1
Humidity 83 %
Today
Cloudy Weather
Day 55°
Night 45°
Precipitation 2 %
Wind 4 mph
UV Index (0 - 11+) 2

Olympia Weather Forecast Updated

Last updated on

Air Quality in Olympia

NOW
37 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 8.87 µg/m³
PM10 10.47 µg/m³
O3 0.023 ppm
NO2 4.8 ppb
SO2 0.6 ppb
CO 0.22 ppm
NH3 0.68 µg/m³
NO 2.21 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)
PM2.58.87 µg/m³
PM1010.47 µg/m³
O345.27 µg/m³
NO29.02 µg/m³
SO21.67 µg/m³
CO247.54 µg/m³
NH30.68 µg/m³
NO2.21 µg/m³