Today | Weather | Wednesday, February 25, 2026

Weather in Bellingham, Washington

08:22 PM
Now
Cloudy Weather
46° F
Feels Like 39°
Precipitation 47 %
Wind 10 mph
Humidity 72 %
Today
Cloudy Weather
Day 46°
Night 43°
Precipitation 55 %
Wind 13 mph

Bellingham Weather Forecast Updated

Last updated on

Air Quality in Bellingham

NOW
36 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.65 µg/m³
PM10 1.56 µg/m³
O3 0.039 ppm
NO2 1 ppb
SO2 0.1 ppb
CO 0.12 ppm
NH3 0.05 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)
PM2.50.65 µg/m³
PM101.56 µg/m³
O376.69 µg/m³
NO21.83 µg/m³
SO20.21 µg/m³
CO142.49 µg/m³
NH30.05 µg/m³
NO0 µg/m³