What is the air quality in East Saint Louis today?

The current Air Quality Index (AQI) in East Saint Louis is 41 (Good). PM2.5 concentration is 9.92 µg/m³.

What is the temperature in East Saint Louis right now?

The current temperature in East Saint Louis is 14.9°C (feels like 14.9°C). Humidity is 82.1% and wind speed is 34.9 km/h.

Is it safe to go outside in East Saint Louis?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in East Saint Louis, United States

Drizzle

14.9°C · 82.1% humidity

14.9°

Feels 14.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

43h · 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.

82.1%

Humidity

34.9 km/h

Wind E

1020.1 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.92 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for East Saint Louis?

Temperature & Precipitation

PM2.5 Trend

43h · 3 stations

PM2.59.92 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (2 stations within 25 km)

9.92

Median

8.4

Average

6.5

Low

10.3

High

PM2.5 µg/m³ · Model: 8.2 · Bias: -1.7

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

10-20

15.9° 4.7°

0.06 mm

10-21

24.8° 14.8°

5.62 mm

10-22

22.0° 11.2°

2.56 mm

10-23

13.9° 10.5°

9.31 mm

10-24

27.7° 13.9°

10-25

19.2° 4.6°

10-26

25.8° 6.3°

0.06 mm

Both models agree Avg diff: 4.5°C

Where are air quality stations near East Saint Louis?

East St. Louis, Illinois, USA

1.6 km PM2.5: 10.1 µg/m³

Branch Street, Missouri, USA

4.9 km PM2.5: 12.6 µg/m³

Arnold West, Missouri, USA

29.1 km PM2.5: 10.1 µg/m³

What cities are near East Saint Louis?

34 St. Louis 31 Granite City 34 University City 37 Fairview Heights 38 Lemay 34 Clayton 35 Collinsville 38 Affton 36 Webster Groves 37 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 2026-10-20T21:06 UTC.