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)
58
Moderate
Edwardsville, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
12.97 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
46.59 μg/m³
0
55
155
255
425
605+
34.15 ppb
0
55
71
86
201
201+
2.04 ppb
0
36
76
186
605
1005+
4.91 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Edwardsville, Illinois
Edwardsville, Illinois
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AQI 33
Good
6.27μg/m³
PM2.5
27.12μg/m³
PM10
30.00ppb
O3
0.53ppb
SO2
8.91ppb
NO2
0.33ppm
CO
AQI 33
Good
6.26μg/m³
PM2.5
27.06μg/m³
PM10
29.75ppb
O3
0.52ppb
SO2
8.96ppb
NO2
0.33ppm
CO
AQI 38
Good
7.13μg/m³
PM2.5
31.73μg/m³
PM10
34.30ppb
O3
0.54ppb
SO2
7.91ppb
NO2
0.33ppm
CO
AQI 33
Good
6.27μg/m³
PM2.5
26.68μg/m³
PM10
28.92ppb
O3
0.50ppb
SO2
9.40ppb
NO2
0.34ppm
CO
AQI 33
Good
6.21μg/m³
PM2.5
25.21μg/m³
PM10
26.86ppb
O3
0.37ppb
SO2
11.32ppb
NO2
0.37ppm
CO
AQI 38
Good
6.56μg/m³
PM2.5
30.65μg/m³
PM10
27.10ppb
O3
0.54ppb
SO2
4.27ppb
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 03:00:00 on 2025-07-09.
In the last 24 hours, the best air quality in Edwardsville, Illinois was observed at 06:00:00 on 2025-07-09.
As of now, the AQI in Edwardsville, Illinois is 33, 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 6.354 μg/m3.
The PM10 concentration in Edwardsville, Illinois is 27.609 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Edwardsville, Illinois is 0.332 ppm.
Currently, Edwardsville, Illinois has a sulfur dioxide (SO2) concentration of 0.529 ppb.
The current ozone (O3) level in Edwardsville, Illinois at the moment is 30.321 ppm.
Nitrogen dioxide (NO2) level in Edwardsville, Illinois at the moment is 8.754 ppb.
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