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

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.70 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.99 μg/m³
0
55
155
255
425
605+
23.97 ppb
0
55
71
86
201
201+
0.66 ppb
0
36
76
186
605
1005+
14.76 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Cicero, Illinois
Cicero, Illinois
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AQI 22
Good
3.80μg/m³
PM2.5
16.52μg/m³
PM10
23.09ppb
O3
0.67ppb
SO2
14.84ppb
NO2
0.21ppm
CO
AQI 22
Good
3.56μg/m³
PM2.5
15.43μg/m³
PM10
23.55ppb
O3
0.65ppb
SO2
14.41ppb
NO2
0.21ppm
CO
AQI 22
Good
3.72μg/m³
PM2.5
16.16μg/m³
PM10
23.02ppb
O3
0.67ppb
SO2
14.74ppb
NO2
0.21ppm
CO
AQI 22
Good
4.20μg/m³
PM2.5
18.51μg/m³
PM10
22.59ppb
O3
0.70ppb
SO2
16.81ppb
NO2
0.21ppm
CO
AQI 22
Good
3.59μg/m³
PM2.5
15.50μg/m³
PM10
22.48ppb
O3
0.64ppb
SO2
16.34ppb
NO2
0.21ppm
CO
AQI 22
Good
4.19μg/m³
PM2.5
18.48μg/m³
PM10
22.38ppb
O3
0.70ppb
SO2
16.00ppb
NO2
0.21ppm
CO
Air quality data and pollutant measurements for Illinois, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Cicero, Illinois is updated every hour.
The worst air quality in Cicero, Illinois in the last 24 hours was observed at 03:00:00 on 2026-10-05.
In the last 24 hrs, the best air quality in Cicero, Illinois was observed at 02:00:00 on 2026-10-06.
The current air quality in Cicero, Illinois is 22, categorized as Good based on real-time data.
The most common pollutant in Cicero, Illinois is O3.
If the air quality in Cicero, Illinois is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Cicero, Illinois is 3.697 μg/m3.
The current PM10 concentration at Cicero, Illinois is 15.987 μg/m3.
The current carbon monoxide (CO) concentration at Cicero, Illinois is 0.209 ppm.
The current sulfur dioxide (SO2) concentration at Cicero, Illinois is 0.661 ppb.
The current ozone (O3) concentration at Cicero, Illinois is 23.968 ppm.
The current nitrogen dioxide (NO2) concentration at Cicero, Illinois is 14.758 ppb.
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