What is the air quality in East Saint Louis today?

The current Air Quality Index (AQI) in East Saint Louis is 27 (Good). PM2.5 concentration is 6.52 µg/m³.

What is the temperature in East Saint Louis right now?

The current temperature in East Saint Louis is 17.1°C (feels like 17.1°C). Humidity is 66.5% and wind speed is 21.1 km/h.

Is it safe to go outside in East Saint Louis?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in East Saint Louis, United States

Partly Cloudy

17.1°C · 66.5% humidity

17.1°

Feels 17.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

3 stations

Nearby Monitoring Stations

AQI Forecast

25 11pm

27 2am

25 5am

25 8am

25 11am

25 2pm

25 5pm

34 8pm

Air Quality Index Trend

47h · 5 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.

66.5%

Humidity

21.1 km/h

Wind NW

1014.0 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.52 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for East Saint Louis?

Temperature & Precipitation

PM2.5 Trend

47h · 5 stations

PM2.56.52 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (3 stations within 25 km)

6.52

Median

7.43

Average

6.2

Low

9.6

High

PM2.5 µg/m³ · Model: 6.0 · Bias: -0.5

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

06-09

32.3° 17.1°

6.38 mm

06-10

30.9° 22.6°

45.88 mm

06-11

29.5° 19.9°

06-12

32.2° 21.1°

0.75 mm

06-13

28.4° 23.9°

1.37 mm

06-14

33.4° 18.0°

12.19 mm

06-15

34.5° 25.7°

0.06 mm

Both models agree Avg diff: 3.8°C

Where are air quality stations near East Saint Louis?

East St. Louis, Illinois, USA

1.6 km PM2.5: 5.3 µg/m³

Forest Park, Missouri, USA

11.3 km PM2.5: 13.1 µg/m³

Arnold West, Missouri, USA

29.1 km PM2.5: 1.4 µg/m³

Arnold West, Missouri, USA

29.1 km PM2.5: 3.8 µg/m³

What cities are near East Saint Louis?

28 St. Louis 29 Granite City 32 University City 27 Fairview Heights 24 Lemay 35 Clayton 27 Collinsville 25 Affton 31 Webster Groves 27 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 2026-06-09T07:32 UTC.