What is the air quality in East Saint Louis today?

The current Air Quality Index (AQI) in East Saint Louis is 35 (Good). PM2.5 concentration is 8.4 µg/m³.

What is the temperature in East Saint Louis right now?

The current temperature in East Saint Louis is 29.8°C (feels like 32.7°C). Humidity is 50.0% and wind speed is 44.7 km/h.

Is it safe to go outside in East Saint Louis?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 19.9 (Extreme).

Air Quality in East Saint Louis, United States

Windy

29.8°C · 50.0% humidity

29.8°

Feels 32.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

54 8am

35 11am

27 2pm

31 5pm

24 8pm

27 11pm

24 2am

24 5am

Air Quality Index Trend

37h · 3 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.

50.0%

Humidity

44.7 km/h

Wind NE

1012.7 hPa

Pressure

19.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

8.4 µg/m³

PM10

20.55 µg/m³

050100150200300500

What is the weather forecast for East Saint Louis?

Temperature & Precipitation

PM2.5 Trend

37h · 3 stations

PM2.58.4 µg/m³ ✓ WHO

Good

PM1020.55 µg/m³

Good

UV INDEX19.9

Extreme

Station readings (1 station within 25 km)

8.4

Median

8.4

Average

8.4

Low

8.4

High

PM2.5 µg/m³ · Model: 10.0 · Bias: +1.6

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

07-21

32.6° 24.2°

07-22

28.6° 22.4°

07-23

21.4° 20.4°

0.31 mm

07-24

30.3° 19.8°

0.56 mm

07-25

27.0° 20.3°

2.81 mm

07-26

33.3° 24.1°

1.25 mm

07-27

31.2° 22.7°

Both models agree Avg diff: 3.7°C

Where are air quality stations near East Saint Louis?

East St. Louis, Illinois, USA

1.6 km PM2.5: 10.6 µg/m³

Forest Park, Missouri, USA

11.3 km PM2.5: 7.2 µg/m³

Arnold West, Missouri, USA

29.1 km PM2.5: 30.2 µg/m³

Arnold West, Missouri, USA

29.1 km PM2.5: 14.5 µg/m³

What cities are near East Saint Louis?

35 St. Louis 35 Granite City 35 University City 35 Fairview Heights 35 Lemay 35 Clayton 35 Collinsville 35 Affton 35 Webster Groves 35 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 2026-07-21T16:59 UTC.