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)
38
Good
Edwardsville, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
7.04 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.17 μg/m³
0
55
155
255
425
605+
26.25 ppb
0
55
71
86
201
201+
0.57 ppb
0
36
76
186
605
1005+
3.66 ppb
0
54
101
361
1250
2050+
0.32 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Edwardsville, Illinois
Edwardsville, Illinois
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AQI 38
Good
6.86μg/m³
PM2.5
29.21μg/m³
PM10
26.42ppb
O3
0.57ppb
SO2
3.69ppb
NO2
0.32ppm
CO
AQI 38
Good
6.67μg/m³
PM2.5
28.25μg/m³
PM10
26.38ppb
O3
0.57ppb
SO2
3.71ppb
NO2
0.32ppm
CO
AQI 44
Good
8.08μg/m³
PM2.5
35.88μg/m³
PM10
25.82ppb
O3
0.57ppb
SO2
3.67ppb
NO2
0.32ppm
CO
AQI 33
Good
6.44μg/m³
PM2.5
29.32μg/m³
PM10
26.22ppb
O3
0.57ppb
SO2
3.69ppb
NO2
0.32ppm
CO
AQI 44
Good
7.53μg/m³
PM2.5
39.80μg/m³
PM10
25.14ppb
O3
0.53ppb
SO2
3.64ppb
NO2
0.32ppm
CO
AQI 38
Good
7.16μg/m³
PM2.5
30.64μg/m³
PM10
24.20ppb
O3
0.56ppb
SO2
2.78ppb
NO2
0.33ppm
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 01:00:00 on 2025-09-01.
In the last 24 hours, the best air quality in Edwardsville, Illinois was observed at 04:00:00 on 2025-09-01.
As of now, the AQI in Edwardsville, Illinois is 27, indicating Good 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 4.756 μg/m3.
The PM10 concentration in Edwardsville, Illinois is 20.169 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Edwardsville, Illinois is 0.195 ppm.
Currently, Edwardsville, Illinois has a sulfur dioxide (SO2) concentration of 1.113 ppb.
The current ozone (O3) level in Edwardsville, Illinois at the moment is 27.942 ppm.
Nitrogen dioxide (NO2) level in Edwardsville, Illinois at the moment is 3.397 ppb.
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