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)
41
Good
Cicero, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.90 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.99 μg/m³
0
55
155
255
425
605+
44.02 ppb
0
55
71
86
201
201+
0.43 ppb
0
36
76
186
605
1005+
1.94 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Cicero, Illinois
Cicero, Illinois
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AQI 42
Good
5.71μg/m³
PM2.5
25.87μg/m³
PM10
44.97ppb
O3
0.43ppb
SO2
2.81ppb
NO2
0.16ppm
CO
AQI 41
Good
5.90μg/m³
PM2.5
26.84μg/m³
PM10
44.12ppb
O3
0.43ppb
SO2
2.48ppb
NO2
0.16ppm
CO
AQI 42
Good
5.74μg/m³
PM2.5
26.02μg/m³
PM10
44.82ppb
O3
0.43ppb
SO2
2.80ppb
NO2
0.16ppm
CO
AQI 44
Good
6.08μg/m³
PM2.5
27.21μg/m³
PM10
46.59ppb
O3
0.42ppb
SO2
3.86ppb
NO2
0.16ppm
CO
AQI 40
Good
5.94μg/m³
PM2.5
26.56μg/m³
PM10
42.80ppb
O3
0.43ppb
SO2
2.84ppb
NO2
0.16ppm
CO
AQI 44
Good
5.71μg/m³
PM2.5
25.49μg/m³
PM10
46.66ppb
O3
0.42ppb
SO2
3.94ppb
NO2
0.16ppm
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 10:00:00 on 2026-06-09.
In the last 24 hrs, the best air quality in Cicero, Illinois was observed at 07:00:00 on 2026-06-09.
The current air quality in Cicero, Illinois is 41, 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 5.9 μg/m3.
The current PM10 concentration at Cicero, Illinois is 26.992 μg/m3.
The current carbon monoxide (CO) concentration at Cicero, Illinois is 0.162 ppm.
The current sulfur dioxide (SO2) concentration at Cicero, Illinois is 0.432 ppb.
The current ozone (O3) concentration at Cicero, Illinois is 44.018 ppm.
The current nitrogen dioxide (NO2) concentration at Cicero, Illinois is 1.938 ppb.
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