Today | Weather | Thursday, February 5, 2026

Weather in Bellingham, Washington

05:35 PM
Now
Cloudy Night
48° F
Feels Like 48°
Precipitation 0 %
Wind 4 mph
Humidity 80 %
Today
Cloudy Weather
Day 59°
Night 34°
Precipitation 25 %
Wind 4 mph
UV Index (0 - 11+) 2

Bellingham Weather Forecast Updated

40 minutes ago
Last updated on

Air Quality in Bellingham

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

Pollutant Concentrations:

PM2.5 11.36 µg/m³
PM10 14.45 µg/m³
O3 0.005 ppm
NO2 15.1 ppb
SO2 0.4 ppb
CO 0.33 ppm
NH3 0.53 µg/m³
NO 2.26 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)
PM2.511.36 µg/m³
PM1014.45 µg/m³
O38.91 µg/m³
NO228.44 µg/m³
SO21.1 µg/m³
CO381.24 µg/m³
NH30.53 µg/m³
NO2.26 µg/m³