Stay updated with real-time air quality in Edwardsville, Illinois featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
36
Good
Edwardsville, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.54 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
27.67 μg/m³
0
55
155
255
425
605+
39.21 ppb
0
55
71
86
201
201+
0.49 ppb
0
36
76
186
605
1005+
4.22 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Edwardsville, Illinois
Edwardsville, Illinois
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AQI 58
Moderate
12.78μg/m³
PM2.5
54.24μg/m³
PM10
26.39ppb
O3
1.04ppb
SO2
1.94ppb
NO2
0.14ppm
CO
AQI 58
Moderate
12.79μg/m³
PM2.5
54.04μg/m³
PM10
26.55ppb
O3
1.05ppb
SO2
1.95ppb
NO2
0.14ppm
CO
AQI 58
Moderate
13.32μg/m³
PM2.5
60.46μg/m³
PM10
21.11ppb
O3
0.98ppb
SO2
1.89ppb
NO2
0.15ppm
CO
AQI 58
Moderate
12.80μg/m³
PM2.5
52.44μg/m³
PM10
27.22ppb
O3
1.07ppb
SO2
1.89ppb
NO2
0.14ppm
CO
AQI 56
Moderate
12.43μg/m³
PM2.5
49.14μg/m³
PM10
28.94ppb
O3
1.14ppb
SO2
1.68ppb
NO2
0.13ppm
CO
AQI 58
Moderate
12.55μg/m³
PM2.5
54.52μg/m³
PM10
23.64ppb
O3
0.92ppb
SO2
1.37ppb
NO2
0.15ppm
CO
Air quality and pollutant data for Illinois, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Edwardsville, Illinois is updated every hour for accuracy.
In the past 24 hours, the air quality in Edwardsville, Illinois was at its worst at 03:00:00 on 2025-07-20.
In the last 24 hours, the best air quality in Edwardsville, Illinois was observed at 09:00:00 on 2025-07-19.
As of now, the AQI in Edwardsville, Illinois is 56, indicating Moderate conditions.
Edwardsville, Illinois air has the highest levels of PM2.5.
Poor air quality in Edwardsville, Illinois means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Edwardsville, Illinois are currently 12.209 μg/m3.
The PM10 concentration in Edwardsville, Illinois is 52.946 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Edwardsville, Illinois is 0.175 ppm.
Currently, Edwardsville, Illinois has a sulfur dioxide (SO2) concentration of 1.467 ppb.
The current ozone (O3) level in Edwardsville, Illinois at the moment is 27.476 ppm.
Nitrogen dioxide (NO2) level in Edwardsville, Illinois at the moment is 2.108 ppb.
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