Air Quality in Bellevue, United States
Windy
28.1°C · 43.5% humidity
28.1°
Feels 29.6°
5
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
AQI Forecast
27
10pm
27
27
5
1am
11
16
19
4am
21
23
24
7am
23
22
23
10am
24
24
25
1pm
25
25
27
4pm
27
27
25
7pm
25
25
Air Quality Index Trend
35h · 2 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.
43.5%
Humidity
43.9 km/h
Wind SE
1018.5 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
1.2 µg/m³
PM10▲
20.55 µg/m³
050100150200300500
What is the weather forecast for Bellevue?
Temperature & Precipitation
PM2.5 Trend
35h · 2 stationsPM2.51.2 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX6.9
High
Station readings (1 station within 25 km)
1.2
Median
1.2
Average
1.2
Low
1.2
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +8.8
What is the 7-day forecast for Bellevue?
08-03
29.5° 16.3°
1.75 mm
08-04
37.8° 11.5°
0.06 mm
08-05
37.3° 14.9°
3.31 mm
08-06
43.9° 16.9°
2.75 mm
08-07
29.3° 18.3°
0.31 mm
08-08
42.4° 15.6°
1.44 mm
08-09
39.7° 24.7°
0.13 mm
Both models agree
Avg diff: 5.3°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 2026-08-08T06:30 UTC.