Today | Weather | Monday, April 27, 2026

Weather in Bellingham, Washington

05:38 AM
Now
Partly Sunny with Showers
45° F
Feels Like 39°
Precipitation 45 %
Wind 8 mph
UV Index (0 - 11+) 0
Humidity 91 %
Today
Cloudy Weather
Day 61°
Night 48°
Precipitation 15 %
Wind 9 mph
UV Index (0 - 11+) 4

Bellingham Weather Forecast Updated

19 minutes ago
Last updated on

Air Quality in Bellingham

NOW
18 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.95 µg/m³
PM10 7.1 µg/m³
O3 0.020 ppm
NO2 1 ppb
SO2 0.1 ppb
CO 0.10 ppm
NH3 0.03 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)
PM2.53.95 µg/m³
PM107.1 µg/m³
O339.02 µg/m³
NO21.91 µg/m³
SO20.36 µg/m³
CO119.19 µg/m³
NH30.03 µg/m³
NO0 µg/m³