Today | Weather | Friday, April 3, 2026

Weather in Bellingham, Washington

11:20 PM
Now
Cloudy Night
48° F
Feels Like 48°
Precipitation 2 %
Wind 4 mph
Humidity 80 %
Today
Cloudy Night
Day 55°
Night 41°
Precipitation 13 %
Wind 4 mph

Bellingham Weather Forecast Updated

Air Quality in Bellingham

NOW
19 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.07 µg/m³
PM10 2.12 µg/m³
O3 0.020 ppm
NO2 2.3 ppb
SO2 0.1 ppb
CO 0.14 ppm
NH3 0.14 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)
PM2.51.07 µg/m³
PM102.12 µg/m³
O339.65 µg/m³
NO24.37 µg/m³
SO20.39 µg/m³
CO156.96 µg/m³
NH30.14 µg/m³
NO0 µg/m³