Stay updated with real-time air quality in Aurora, 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)
37
Good
Aurora, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.98 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.18 μg/m³
0
55
155
255
425
605+
39.98 ppb
0
55
71
86
201
201+
0.54 ppb
0
36
76
186
605
1005+
6.13 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Aurora, Illinois
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AQI 37
Good
5.09μg/m³
PM2.5
22.68μg/m³
PM10
40.03ppb
O3
0.54ppb
SO2
6.15ppb
NO2
0.13ppm
CO
AQI 37
Good
4.98μg/m³
PM2.5
22.15μg/m³
PM10
40.11ppb
O3
0.54ppb
SO2
6.13ppb
NO2
0.13ppm
CO
AQI 36
Good
5.87μg/m³
PM2.5
20.67μg/m³
PM10
39.43ppb
O3
0.51ppb
SO2
6.05ppb
NO2
0.13ppm
CO
AQI 37
Good
5.04μg/m³
PM2.5
22.55μg/m³
PM10
40.21ppb
O3
0.54ppb
SO2
6.08ppb
NO2
0.13ppm
CO
AQI 37
Good
5.77μg/m³
PM2.5
25.94μg/m³
PM10
40.03ppb
O3
0.55ppb
SO2
6.14ppb
NO2
0.13ppm
CO
AQI 38
Good
7.30μg/m³
PM2.5
32.71μg/m³
PM10
40.50ppb
O3
0.55ppb
SO2
6.13ppb
NO2
0.13ppm
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 Aurora, Illinois is updated every hour for accuracy.
In the past 24 hours, the air quality in Aurora, Illinois was at its worst at 09:00:00 on 2026-09-10.
In the last 24 hours, the best air quality in Aurora, Illinois was observed at 06:00:00 on 2026-09-10.
As of now, the AQI in Aurora, Illinois is 37, indicating Good conditions.
Aurora, Illinois air has the highest levels of O3.
Poor air quality in Aurora, Illinois means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Aurora, Illinois are currently 4.981 μg/m3.
The PM10 concentration in Aurora, Illinois is 22.182 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Aurora, Illinois is 0.134 ppm.
Currently, Aurora, Illinois has a sulfur dioxide (SO2) concentration of 0.541 ppb.
The current ozone (O3) level in Aurora, Illinois at the moment is 39.985 ppm.
Nitrogen dioxide (NO2) level in Aurora, Illinois at the moment is 6.134 ppb.
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