East St Louis Air Quality Index (AQI) | Air Pollution
Real-time PM2.5, PM10 air pollution level in East St Louis
Last Updated: 2026-08-15 08:21 (Local Time)

28 °C
OvercastCurrently, East St Louis ranks 763rd among the cities with the highest AQI levels in the world.
East St Louis
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Historical Air Quality Data
East St Louis
AQI (US) Trends - Annual Air Quality Changes
East St Louis, Illinois, United States
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Real-time Air Pollution Level
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Air Quality Index
Air Quality Calendar 2026
East St Louis
Health Advice For People Living In
East St Louis
0Cigarettes per day
Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.
Source:
Berkeley Earth
Solutions for Current AQI (US)
Prevent Health Problems: Understand Your Risks
East St Louis
Most Polluted Cities 2026
United States
Analyze the real-time most air polluted cities in the country.
Standard Value
1.
Brookings, South Dakota
Moderate
2xabove Standard
2.
Cleveland, Mississippi
Moderate
2xabove Standard
3.
Fargo, North Dakota
Moderate
2xabove Standard
4.
Chelan, Washington
Moderate
2xabove Standard
5.
Quincy, Washington
Moderate
2xabove Standard
6.
Wenatchee, Washington
Moderate
2xabove Standard
7.
Ellensburg, Washington
Moderate
2xabove Standard
8.
Aberdeen, South Dakota
Moderate
2xabove Standard
9.
Watertown, South Dakota
Moderate
2xabove Standard
10.
Detroit Lakes, Minnesota
Moderate
2xabove Standard
Last Updated: 15 Aug 2026, 01:22 PM
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Frequently Asked Questions About Air Quality
1. What is the current AQI (US) level in East St Louis?
1. What is the current AQI (US) level in East St Louis?
The current real-time AQI (US) level in East St Louis is 52 (Moderate). This was last updated 2026-08-15 08:21 (Local Time).
2. When was the best AQI (US) level in East St Louis in the last 24 hours?
2. When was the best AQI (US) level in East St Louis in the last 24 hours?
The best AQI (US) level was 42 (Good) at 9:01 AM, Aug 14, 2026 (Local Time) during the last 24 hours.
3. When was the worst AQI (US) level in East St Louis in the last 24 hours?
3. When was the worst AQI (US) level in East St Louis in the last 24 hours?
The worst AQI (US) level was 62 (Moderate) at 12:01 AM (Local Time) during the last 24 hours.
4. What is the current trend of AQI (US) levels in East St Louis during last 24 hours?
4. What is the current trend of AQI (US) levels in East St Louis during last 24 hours?
The AQI (US) levels in East St Louis have been fluctuating throughout the last 24 hours. The levels have increased by highest 62 at 12:01 AM (Local Time), lowest 42 at 9:01 AM, Aug 14, 2026 (Local Time).
5. What actions are recommended as per the current AQI (US) level in East St Louis?
5. What actions are recommended as per the current AQI (US) level in East St Louis?
Current AQI (US) levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.
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