Today | Weather | Wednesday, November 4, 2026

Weather in Olympia, Washington

06:28 AM
Now
Foggy Weather
34° F
Feels Like 36°
Precipitation 14 %
Wind 2 mph
Humidity 99 %
Today
Partly Sunny with Showers
Day 59°
Night 45°
Precipitation 60 %
Wind 7 mph
UV Index (0 - 11+) 1
Overnight Frost 5 AM – 6 AM

Olympia Weather Forecast Updated

Last updated on

Air Quality in Olympia

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

Pollutant Concentrations:

PM2.5 10.19 µg/m³
PM10 11.48 µg/m³
O3 0.026 ppm
NO2 4.4 ppb
SO2 0.3 ppb
CO 0.21 ppm
NH3 0.41 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)
PM2.5 – 10.19 µg/m³
PM10 – 11.48 µg/m³
O3 – 50.49 µg/m³
NO2 – 8.28 µg/m³
SO2 – 0.69 µg/m³
CO – 236.34 µg/m³
NH3 – 0.41 µg/m³
NO – 0 µg/m³