Air Quality in Bellingham, United States

Windy
14.9°C · 67.3% humidity
14.9°
Feels 14.9°
46
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast
34 10am
50
34
46 1pm
41
37
34 4pm
32
31
30 7pm
29
28
35 10pm
35
34
34 1am
34
54
54 4am
54
66
54 7am
54
34
Station readings
42
50
50
CAMS model
34
34
34
27
27
27
27
27
27
27
27
27
34
34
34
34
34
54
54
54
66
54
54
34
AD 728×90

Air Quality Index Trend

45h · 2 stn

Bellingham's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

67.3%
Humidity
57.8 km/h
Wind SSW
1016.2 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
46
11.07 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Bellingham?

Temperature & Precipitation

PM2.5 Trend

45h · 2 stations
PM2.511.07 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
Station readings (3 stations within 25 km)
11.07
Median
12.37
Average
10.1
Low
15.0
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -3.7

What is the 7-day forecast for Bellingham?

07-21
21.8° 11.4°
07-22
18.6° 11.7°
07-23
21.3° 13.7°
07-24
21.4° 12.1°
07-25
18.2° 11.7°
07-26
20.7° 11.8°
07-27
18.2° 13.7°
Both models agree Avg diff: 2.8°C

Where are air quality stations near Bellingham?

88
Pacific St, Bellingham, Washington, USA
2.3 km PM2.5: 29.7 µg/m³
70
Pacific St, Bellingham, Washington, USA
2.3 km PM2.5: 21.1 µg/m³
165
Pacific St, Bellingham, Washington, USA
2.3 km PM2.5: 82.6 µg/m³
88
Loomis, Custer, Washington, USA
21.8 km PM2.5: 29.7 µg/m³

What cities are near Bellingham?

30 Anacortes 76 Townline 27 White Rock 77 Abbotsford 30 South Surrey 15 Langley 18 Cloverdale 10 Willoughby 67 Mission 33 Surrey
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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 2026-07-21T20:01 UTC.