Air Quality in Bellingham, United States
Cloudy
10.7°C · 89.0% humidity
10.7°
Feels 10.7°
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations
Nearby Monitoring Stations
Bellingham's air quality — share it
AQI Forecast
Calibrated
25
3am
17
17
22
6am
24
24
24
9am
24
24
4
12pm
4
0
0
3pm
0
0
0
6pm
4
24
24
9pm
24
36
36
12am
36
36
Station readings
25
17
17
17
CAMS model
adj -30
54
54
54
54
54
54
54
54
54
34
34
27
27
27
27
27
34
54
54
54
66
66
66
66
Air Quality Index Trend
48h · 2 stnBellingham's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
89.0%
Humidity
16.6 km/h
Wind ENE
1018.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.16 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Bellingham?
Temperature & Precipitation
PM2.5 Trend
48h · 2 stationsPM2.55.16 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
Station readings (4 stations within 25 km)
5.16
Median
5.7
Average
4.3
Low
8.2
High
PM2.5 µg/m³ · Model: 9.75 · Bias: +4.6
What is the 7-day forecast for Bellingham?
09-05
17.8° 10.7°
09-06
17.5° 13.1°
09-07
16.4° 11.1°
0.19 mm
09-08
22.8° 11.4°
1.5 mm
09-09
17.3° 12.7°
1.13 mm
09-10
20.0° 12.8°
0.06 mm
09-11
18.4° 10.3°
Both models agree
Avg diff: 2.4°C
Where are air quality stations near Bellingham?
17
Pacific St, Bellingham, Washington, USA
17
Pacific St, Bellingham, Washington, USA
34
Loomis, Custer, Washington, USA
25
Loomis, Custer, Washington, USA
What cities are near Bellingham?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T13:59 UTC.