Air Quality in Bellevue, United States
Windy
26.1°C · 30.6% humidity
26.1°
Feels 26.1°
41
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Bellevue's air quality — share it
AQI Forecast
Calibrated
48
6pm
48
48
41
9pm
43
44
45
12am
46
47
47
3am
47
48
48
6am
48
47
47
9am
47
47
47
12pm
47
47
47
3pm
47
47
Station readings
40
CAMS model
adj +23
25
25
25
25
25
25
25
25
25
25
25
25
25
25
24
24
24
24
24
24
24
24
24
24
Air Quality Index Trend
25h · 1 stnBellevue's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
30.6%
Humidity
53.1 km/h
Wind NW
1017.5 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.85 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Bellevue?
Temperature & Precipitation
PM2.5 Trend
25h · 1 stationPM2.59.85 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX5.9
High
Station readings (2 stations within 25 km)
9.85
Median
9.85
Average
9.6
Low
10.1
High
PM2.5 µg/m³ · Model: 7.1 · Bias: -2.8
What is the 7-day forecast for Bellevue?
08-03
27.2° 18.9°
1.44 mm
08-04
24.9° 13.8°
0.13 mm
08-05
23.2° 12.4°
08-06
30.0° 18.4°
0.19 mm
08-07
24.1° 14.4°
08-08
34.0° 15.2°
15.81 mm
08-09
37.8° 20.0°
1.88 mm
Both models agree
Avg diff: 4.2°C
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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 2026-08-08T02:07 UTC.