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)
69
Moderate
North Chicago, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
18.97 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
91.11 μg/m³
0
55
155
255
425
605+
33.86 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
2.28 ppb
0
54
101
361
1250
2050+
0.43 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 71
Moderate
16.65μg/m³
PM2.5
62.57μg/m³
PM10
60.89ppb
O3
0.73ppb
SO2
5.16ppb
NO2
0.23ppm
CO
AQI 87
Moderate
15.65μg/m³
PM2.5
64.92μg/m³
PM10
65.64ppb
O3
0.76ppb
SO2
5.21ppb
NO2
0.23ppm
CO
AQI 64
Moderate
15.53μg/m³
PM2.5
54.33μg/m³
PM10
54.33ppb
O3
0.60ppb
SO2
5.06ppb
NO2
0.22ppm
CO
AQI 66
Moderate
16.73μg/m³
PM2.5
65.05μg/m³
PM10
50.97ppb
O3
0.76ppb
SO2
5.18ppb
NO2
0.22ppm
CO
AQI 90
Moderate
15.63μg/m³
PM2.5
66.34μg/m³
PM10
66.88ppb
O3
0.76ppb
SO2
5.21ppb
NO2
0.24ppm
CO
AQI 64
Moderate
16.48μg/m³
PM2.5
73.03μg/m³
PM10
43.18ppb
O3
0.79ppb
SO2
5.20ppb
NO2
0.23ppm
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 12:00:00 on 2025-07-23.
In the last 24 hours, the best air quality in North Chicago, Illinois was observed at 05:00:00 on 2025-07-23.
As of now, the AQI in North Chicago, Illinois is 60, indicating Moderate conditions.
North Chicago, Illinois air has the highest levels of PM2.5.
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 13.802 μg/m3.
The PM10 concentration in North Chicago, Illinois is 40.129 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in North Chicago, Illinois is 0.175 ppm.
Currently, North Chicago, Illinois has a sulfur dioxide (SO2) concentration of 0.581 ppb.
The current ozone (O3) level in North Chicago, Illinois at the moment is 43.534 ppm.
Nitrogen dioxide (NO2) level in North Chicago, Illinois at the moment is 4.353 ppb.
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