Stay updated with real-time air quality in North Chicago, 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)
26
Good
North Chicago, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.80 μg/m³
0
55
155
255
425
605+
28.35 ppb
0
55
71
86
201
201+
1.44 ppb
0
36
76
186
605
1005+
4.96 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
North Chicago, Illinois
North Chicago, Illinois
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AQI 24
Good
2.03μg/m³
PM2.5
7.32μg/m³
PM10
26.29ppb
O3
0.65ppb
SO2
3.23ppb
NO2
0.26ppm
CO
AQI 24
Good
2.05μg/m³
PM2.5
7.26μg/m³
PM10
26.39ppb
O3
0.66ppb
SO2
3.23ppb
NO2
0.26ppm
CO
AQI 24
Good
1.98μg/m³
PM2.5
6.67μg/m³
PM10
25.86ppb
O3
0.59ppb
SO2
3.29ppb
NO2
0.25ppm
CO
AQI 24
Good
2.04μg/m³
PM2.5
7.38μg/m³
PM10
26.28ppb
O3
0.64ppb
SO2
3.23ppb
NO2
0.26ppm
CO
AQI 24
Good
2.05μg/m³
PM2.5
7.26μg/m³
PM10
26.39ppb
O3
0.66ppb
SO2
3.23ppb
NO2
0.26ppm
CO
AQI 24
Good
2.05μg/m³
PM2.5
7.24μg/m³
PM10
26.42ppb
O3
0.66ppb
SO2
3.23ppb
NO2
0.26ppm
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 North Chicago, Illinois is updated every hour for accuracy.
In the past 24 hours, the air quality in North Chicago, Illinois was at its worst at 02:00:00 on 2025-11-09.
In the last 24 hours, the best air quality in North Chicago, Illinois was observed at 10:00:00 on 2025-11-09.
As of now, the AQI in North Chicago, Illinois is 24, indicating Good conditions.
North Chicago, Illinois air has the highest levels of O3.
Poor air quality in North Chicago, Illinois means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in North Chicago, Illinois are currently 1.993 μg/m3.
The PM10 concentration in North Chicago, Illinois is 6.697 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in North Chicago, Illinois is 0.216 ppm.
Currently, North Chicago, Illinois has a sulfur dioxide (SO2) concentration of 0.717 ppb.
The current ozone (O3) level in North Chicago, Illinois at the moment is 25.89 ppm.
Nitrogen dioxide (NO2) level in North Chicago, Illinois at the moment is 2.102 ppb.
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