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)
22
Good
Aurora, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.04 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.39 μg/m³
0
55
155
255
425
605+
23.60 ppb
0
55
71
86
201
201+
0.94 ppb
0
36
76
186
605
1005+
7.59 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Aurora, Illinois
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AQI 22
Good
2.04μg/m³
PM2.5
8.44μg/m³
PM10
23.92ppb
O3
0.94ppb
SO2
7.52ppb
NO2
0.28ppm
CO
AQI 22
Good
2.10μg/m³
PM2.5
8.72μg/m³
PM10
23.84ppb
O3
0.94ppb
SO2
7.59ppb
NO2
0.28ppm
CO
AQI 20
Good
2.03μg/m³
PM2.5
10.81μg/m³
PM10
21.83ppb
O3
0.92ppb
SO2
7.78ppb
NO2
0.28ppm
CO
AQI 22
Good
2.19μg/m³
PM2.5
9.41μg/m³
PM10
24.26ppb
O3
0.94ppb
SO2
7.58ppb
NO2
0.28ppm
CO
AQI 22
Good
1.94μg/m³
PM2.5
8.21μg/m³
PM10
24.25ppb
O3
0.94ppb
SO2
7.40ppb
NO2
0.28ppm
CO
AQI 23
Good
1.73μg/m³
PM2.5
7.22μg/m³
PM10
24.65ppb
O3
0.94ppb
SO2
7.10ppb
NO2
0.28ppm
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 11:00:00 on 2025-10-23.
In the last 24 hours, the best air quality in Aurora, Illinois was observed at 09:00:00 on 2025-10-23.
As of now, the AQI in Aurora, Illinois is 22, 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 2.043 μg/m3.
The PM10 concentration in Aurora, Illinois is 8.389 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Aurora, Illinois is 0.278 ppm.
Currently, Aurora, Illinois has a sulfur dioxide (SO2) concentration of 0.935 ppb.
The current ozone (O3) level in Aurora, Illinois at the moment is 23.604 ppm.
Nitrogen dioxide (NO2) level in Aurora, Illinois at the moment is 7.593 ppb.
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