Air Quality in East Saint Louis, United States

Windy
25.6°C · 47.5% humidity
25.6°
Feels 25.6°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
69 5pm
69
69
54 8pm
58
61
43 11pm
45
2am
5am
8am
11am
2pm
Station readings 47h ago
AQI 42
PM2.5 10.1 µg/m³ · 47h ago
AD 728×90

Air Quality Index Trend

35h · 6 stn

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
PM2.5
54
13.47 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

35h · 6 stations
PM2.513.47 µg/m³ ✓ WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX5.9
High
AD 300×250
13.47
Median
11.55
Average
9.6
Low
13.5
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -2.6
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°
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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.