What is the air quality in Belleville today?

The current Air Quality Index (AQI) in Belleville is 54 (Moderate). PM2.5 concentration is 13.5 µg/m³.

What is the temperature in Belleville right now?

The current temperature in Belleville is 24.4°C (feels like 24.4°C). Humidity is 58.6% and wind speed is 59.7 km/h.

Air Quality in Belleville, United States

Windy

24.4°C · 58.6% humidity

24.4°

Feels 24.4°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

1 station

Nearby Monitoring Stations

AQI Forecast Calibrated

54 6pm

54 9pm

47 12am

47 3am

47 6am

74 9am

74 12pm

74 3pm

Station readings 48h ago

AQI 47

PM2.5 11.3 µg/m³ · 48h ago

Air Quality Index Trend

37h · 6 stn

View full history →

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.

58.6%

Humidity

59.7 km/h

Wind NE

1017.6 hPa

Pressure

4.4

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

13.5 µg/m³

PM10

20.55 µg/m³

050100150200300500

What is the weather forecast for Belleville?

Temperature & Precipitation

PM2.5 Trend

37h · 6 stations

PM2.513.5 µg/m³ ✓ WHO

Moderate

PM1020.55 µg/m³

Good

UV INDEX4.4

Moderate

Station readings (1 station within 25 km)

13.5

Median

13.5

Average

13.5

Low

13.5

High

PM2.5 µg/m³ · Model: 10.85 · Bias: -2.7

What is the 7-day forecast for Belleville?

08-03

29.7° 18.8°

08-04

32.4° 19.1°

08-05

33.4° 13.7°

31.38 mm

08-06

37.0° 20.4°

7.5 mm

08-07

30.8° 19.0°

08-08

36.7° 25.3°

0.62 mm

08-09

37.4° 25.2°

0.31 mm

Both models agree Avg diff: 3.1°C

Where are air quality stations near Belleville?

East St. Louis, Illinois, USA

18.4 km PM2.5: 10.1 µg/m³

Blair Street, Missouri, USA

24.0 km PM2.5: 12.0 µg/m³

What cities are near Belleville?

54 Fairview Heights 54 O'Fallon 54 Collinsville 54 East Saint Louis 53 St. Louis 52 Granite City 49 Lemay 50 Oakville 49 Mehlville 47 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 2026-08-08T02:07 UTC.