Air Quality in Belleville, United States

Cloudy
22.4°C · 89.6% humidity
22.4°
Feels 22.4°
50
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
34 5am
34
34
50 8am
65
62
60 11am
58
57
56 2pm
36
35
35 5pm
35
34
27 8pm
27
27
27 11pm
27
27
25 2am
24
24
AD 728×90

Air Quality Index Trend

34h · 2 stn

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

89.6%
Humidity
18.7 km/h
Wind SE
1017.0 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
50
12.0 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Belleville?

Temperature & Precipitation

PM2.5 Trend

34h · 2 stations
PM2.512.0 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (1 station within 25 km)
12.0
Median
12.0
Average
12.0
Low
12.0
High
PM2.5 µg/m³ · Model: 7.1 · Bias: -4.9
Both models agree Avg diff: 3.9°C

Where are air quality stations near Belleville?

8
East St. Louis, Illinois, USA
18.4 km PM2.5: 1.9 µg/m³

What cities are near Belleville?

50 Fairview Heights 50 O'Fallon 50 Collinsville 50 East Saint Louis 50 St. Louis 50 Granite City 50 Lemay 50 Oakville 50 Mehlville 50 Affton
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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 2026-07-21T13:36 UTC.