Today | Weather | Wednesday, October 14, 2026

Weather in Olympia, Washington

04:55 PM
Now
Cloudy Weather
64° F
Feels Like 64°
Precipitation 7 %
Wind 4 mph
UV Index (0 - 11+) 1
Humidity 63 %
Today
Cloudy Weather
Day 66°
Night 45°
Precipitation 25 %
Wind 4 mph
UV Index (0 - 11+) 2

Olympia Weather Forecast Updated

Air Quality in Olympia

NOW
30 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.73 µg/m³
PM10 2.42 µg/m³
O3 0.032 ppm
NO2 2.8 ppb
SO2 0.2 ppb
CO 0.15 ppm
NH3 0.45 µg/m³
NO 0.55 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)
PM2.5 – 1.73 µg/m³
PM10 – 2.42 µg/m³
O3 – 63.34 µg/m³
NO2 – 5.35 µg/m³
SO2 – 0.47 µg/m³
CO – 172.75 µg/m³
NH3 – 0.45 µg/m³
NO – 0.55 µg/m³