Stay updated with real-time air quality in Warrenville, 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)
54
Moderate
Warrenville, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.67 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
47.58 μg/m³
0
55
155
255
425
605+
19.30 ppb
0
55
71
86
201
201+
0.54 ppb
0
36
76
186
605
1005+
10.00 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Warrenville, Illinois
Warrenville, Illinois
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AQI 56
Moderate
11.71μg/m³
PM2.5
52.60μg/m³
PM10
21.19ppb
O3
0.54ppb
SO2
7.87ppb
NO2
0.19ppm
CO
AQI 54
Moderate
11.08μg/m³
PM2.5
49.41μg/m³
PM10
21.74ppb
O3
0.53ppb
SO2
8.15ppb
NO2
0.19ppm
CO
AQI 54
Moderate
11.41μg/m³
PM2.5
49.74μg/m³
PM10
22.57ppb
O3
0.56ppb
SO2
8.33ppb
NO2
0.19ppm
CO
AQI 54
Moderate
11.47μg/m³
PM2.5
52.85μg/m³
PM10
22.36ppb
O3
0.59ppb
SO2
8.23ppb
NO2
0.19ppm
CO
AQI 56
Moderate
11.63μg/m³
PM2.5
52.09μg/m³
PM10
21.27ppb
O3
0.53ppb
SO2
8.04ppb
NO2
0.19ppm
CO
AQI 58
Moderate
13.21μg/m³
PM2.5
54.71μg/m³
PM10
22.01ppb
O3
0.58ppb
SO2
8.32ppb
NO2
0.19ppm
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 Warrenville, Illinois is updated every hour for accuracy.
In the past 24 hours, the air quality in Warrenville, Illinois was at its worst at 01:00:00 on 2025-12-09.
In the last 24 hours, the best air quality in Warrenville, Illinois was observed at 06:00:00 on 2025-12-08.
As of now, the AQI in Warrenville, Illinois is 54, indicating Moderate conditions.
Warrenville, Illinois air has the highest levels of PM2.5.
Poor air quality in Warrenville, Illinois means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Warrenville, Illinois are currently 10.673 μg/m3.
The PM10 concentration in Warrenville, Illinois is 47.579 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Warrenville, Illinois is 0.238 ppm.
Currently, Warrenville, Illinois has a sulfur dioxide (SO2) concentration of 0.539 ppb.
The current ozone (O3) level in Warrenville, Illinois at the moment is 19.298 ppm.
Nitrogen dioxide (NO2) level in Warrenville, Illinois at the moment is 9.998 ppb.
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