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)
23
Good
North Chicago, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
2.18 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.72 μg/m³
0
55
155
255
425
605+
25.37 ppb
0
55
71
86
201
201+
0.38 ppb
0
36
76
186
605
1005+
3.29 ppb
0
54
101
361
1250
2050+
0.18 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 19
Good
2.52μg/m³
PM2.5
10.38μg/m³
PM10
19.96ppb
O3
0.33ppb
SO2
2.03ppb
NO2
0.20ppm
CO
AQI 19
Good
1.47μg/m³
PM2.5
5.76μg/m³
PM10
20.79ppb
O3
0.35ppb
SO2
2.22ppb
NO2
0.21ppm
CO
AQI 18
Good
1.52μg/m³
PM2.5
5.49μg/m³
PM10
19.46ppb
O3
0.28ppb
SO2
2.97ppb
NO2
0.22ppm
CO
AQI 19
Good
1.71μg/m³
PM2.5
14.26μg/m³
PM10
19.86ppb
O3
0.33ppb
SO2
2.05ppb
NO2
0.21ppm
CO
AQI 19
Good
1.49μg/m³
PM2.5
5.90μg/m³
PM10
21.06ppb
O3
0.35ppb
SO2
2.18ppb
NO2
0.21ppm
CO
AQI 19
Good
1.64μg/m³
PM2.5
7.58μg/m³
PM10
19.68ppb
O3
0.35ppb
SO2
2.09ppb
NO2
0.21ppm
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 10:00:00 on 2025-07-16.
In the last 24 hours, the best air quality in North Chicago, Illinois was observed at 07:00:00 on 2025-07-17.
As of now, the AQI in North Chicago, Illinois is 23, 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 2.18 μg/m3.
The PM10 concentration in North Chicago, Illinois is 11.721 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in North Chicago, Illinois is 0.178 ppm.
Currently, North Chicago, Illinois has a sulfur dioxide (SO2) concentration of 0.384 ppb.
The current ozone (O3) level in North Chicago, Illinois at the moment is 25.369 ppm.
Nitrogen dioxide (NO2) level in North Chicago, Illinois at the moment is 3.295 ppb.
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