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)
33
Good
Aurora, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.91 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.64 μg/m³
0
55
155
255
425
605+
7.81 ppb
0
55
71
86
201
201+
0.59 ppb
0
36
76
186
605
1005+
5.46 ppb
0
54
101
361
1250
2050+
0.33 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Aurora, Illinois
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AQI 33
Good
6.03μg/m³
PM2.5
26.01μg/m³
PM10
6.47ppb
O3
0.85ppb
SO2
5.63ppb
NO2
0.24ppm
CO
AQI 33
Good
5.95μg/m³
PM2.5
25.68μg/m³
PM10
6.26ppb
O3
0.85ppb
SO2
5.62ppb
NO2
0.24ppm
CO
AQI 33
Good
5.70μg/m³
PM2.5
25.07μg/m³
PM10
11.39ppb
O3
0.83ppb
SO2
5.36ppb
NO2
0.23ppm
CO
AQI 33
Good
6.01μg/m³
PM2.5
26.08μg/m³
PM10
6.46ppb
O3
0.84ppb
SO2
5.67ppb
NO2
0.24ppm
CO
AQI 33
Good
6.35μg/m³
PM2.5
27.55μg/m³
PM10
5.69ppb
O3
0.86ppb
SO2
5.75ppb
NO2
0.24ppm
CO
AQI 38
Good
7.08μg/m³
PM2.5
31.31μg/m³
PM10
6.16ppb
O3
0.86ppb
SO2
5.97ppb
NO2
0.24ppm
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 03:00:00 on 2026-09-07.
In the last 24 hours, the best air quality in Aurora, Illinois was observed at 01:00:00 on 2026-09-06.
As of now, the AQI in Aurora, Illinois is 33, indicating Good conditions.
Aurora, Illinois air has the highest levels of PM2.5.
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 5.913 μg/m3.
The PM10 concentration in Aurora, Illinois is 25.643 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Aurora, Illinois is 0.327 ppm.
Currently, Aurora, Illinois has a sulfur dioxide (SO2) concentration of 0.593 ppb.
The current ozone (O3) level in Aurora, Illinois at the moment is 7.814 ppm.
Nitrogen dioxide (NO2) level in Aurora, Illinois at the moment is 5.464 ppb.
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