Today | Weather | Wednesday, March 18, 2026

Weather in Olympia, Washington

12:03 AM
Now
Rainy Weather
52° F
Feels Like 48°
Precipitation 51 %
Wind 6 mph
Humidity 90 %
Today
Rainy Weather
Day 55°
Night 50°
Precipitation 88 %
Wind 7 mph
UV Index (0 - 11+) 1

Olympia Weather Forecast Updated

35 minutes ago
Last updated on

Air Quality in Olympia

NOW
35 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.14 µg/m³
PM10 1.69 µg/m³
O3 0.038 ppm
NO2 0.7 ppb
SO2 0 ppb
CO 0.11 ppm
NH3 0.08 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)
PM2.51.14 µg/m³
PM101.69 µg/m³
O374.13 µg/m³
NO21.39 µg/m³
SO20.1 µg/m³
CO131.65 µg/m³
NH30.08 µg/m³
NO0 µg/m³