Air Quality in Bellevue, United States
Windy
17.9°C · 39.2% humidity
17.9°
Feels 17.9°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
28
11am
28
28
28
2pm
28
28
28
5pm
28
28
29
8pm
31
31
31
11pm
31
31
29
2am
29
29
28
5am
29
29
28
8am
28
29
Station readings
26
33
31
28
CAMS model
adj +4
24
24
24
24
24
24
24
24
24
25
27
27
27
27
27
25
25
25
24
25
25
24
24
25
Air Quality Index Trend
14h · 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.
39.2%
Humidity
57.5 km/h
Wind NW
1018.8 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.85 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Bellevue?
Temperature & Precipitation
PM2.5 Trend
14h · 1 stationPM2.56.85 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX14.9
Extreme
Station readings (2 stations within 25 km)
6.85
Median
6.85
Average
6.7
Low
7.0
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -0.9
What is the 7-day forecast for Bellevue?
09-05
18.1° 15.8°
09-06
23.3° 10.0°
0.06 mm
09-07
23.9° 13.3°
0.13 mm
09-08
21.5° 13.0°
37.25 mm
09-09
29.5° 14.1°
0.25 mm
09-10
26.2° 15.7°
6.75 mm
09-11
21.9° 14.1°
2.5 mm
Both models agree
Avg diff: 5.7°C
Where are air quality stations near Bellevue?
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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 2026-09-05T19:26 UTC.