What is the air quality in East Saint Louis today?

The current Air Quality Index (AQI) in East Saint Louis is 54 (Moderate). PM2.5 concentration is 13.47 µg/m³.

What is the temperature in East Saint Louis right now?

The current temperature in East Saint Louis is 25.6°C (feels like 25.6°C). Humidity is 47.5% and wind speed is 56.4 km/h.

Air Quality in East Saint Louis, United States

Windy

25.6°C · 47.5% humidity

25.6°

Feels 25.6°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

69 5pm

54 8pm

43 11pm

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Station readings 47h ago

AQI 42

PM2.5 10.1 µg/m³ · 47h ago

Air Quality Index Trend

35h · 6 stn

View full history →

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

47.5%

Humidity

56.4 km/h

Wind NE

1017.7 hPa

Pressure

5.9

UV High

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

13.47 µg/m³

PM10

20.55 µg/m³

050100150200300500

What is the weather forecast for East Saint Louis?

Temperature & Precipitation

PM2.5 Trend

35h · 6 stations

PM2.513.47 µg/m³ ✓ WHO

Moderate

PM1020.55 µg/m³

Good

UV INDEX5.9

High

Station readings (2 stations within 25 km)

13.47

Median

11.55

Average

9.6

Low

13.5

High

PM2.5 µg/m³ · Model: 10.85 · Bias: -2.6

What is the 7-day forecast for East Saint Louis?

08-03

30.4° 20.9°

08-04

35.9° 19.3°

08-05

36.1° 16.1°

25.81 mm

08-06

40.2° 20.5°

3.5 mm

08-07

33.4° 21.2°

08-08

37.5° 25.9°

1.44 mm

08-09

35.3° 28.0°

Both models agree Avg diff: 3.6°C

Where are air quality stations near East Saint Louis?

East St. Louis, Illinois, USA

1.6 km PM2.5: 10.3 µg/m³

Blair Street, Missouri, USA

5.5 km PM2.5: 12.0 µg/m³

Forest Park, Missouri, USA

11.3 km PM2.5: 12.6 µg/m³

Ladue, Missouri, USA

17.6 km PM2.5: 14.0 µg/m³

Ladue, Missouri, USA

17.6 km PM2.5: 2.2 µg/m³

Arnold West, Missouri, USA

29.1 km PM2.5: 9.8 µg/m³

What cities are near East Saint Louis?

53 St. Louis 52 Granite City 41 University City 54 Fairview Heights 49 Lemay 40 Clayton 54 Collinsville 47 Affton 43 Webster Groves 54 Belleville

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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 2026-08-08T01:05 UTC.