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)
52
Moderate
North Chicago, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.82 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
28.97 μg/m³
0
55
155
255
425
605+
20.85 ppb
0
55
71
86
201
201+
0.57 ppb
0
36
76
186
605
1005+
7.51 ppb
0
54
101
361
1250
2050+
0.19 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 33
Good
6.29μg/m³
PM2.5
26.69μg/m³
PM10
19.77ppb
O3
0.50ppb
SO2
7.17ppb
NO2
0.17ppm
CO
AQI 38
Good
6.64μg/m³
PM2.5
27.91μg/m³
PM10
20.32ppb
O3
0.51ppb
SO2
7.21ppb
NO2
0.17ppm
CO
AQI 38
Good
7.48μg/m³
PM2.5
22.37μg/m³
PM10
19.04ppb
O3
0.44ppb
SO2
6.80ppb
NO2
0.17ppm
CO
AQI 33
Good
6.20μg/m³
PM2.5
27.16μg/m³
PM10
18.86ppb
O3
0.49ppb
SO2
7.17ppb
NO2
0.17ppm
CO
AQI 38
Good
6.64μg/m³
PM2.5
27.91μg/m³
PM10
20.32ppb
O3
0.51ppb
SO2
7.21ppb
NO2
0.17ppm
CO
AQI 33
Good
6.38μg/m³
PM2.5
26.67μg/m³
PM10
20.10ppb
O3
0.52ppb
SO2
7.22ppb
NO2
0.17ppm
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 11:00:00 on 2025-12-09.
In the last 24 hours, the best air quality in North Chicago, Illinois was observed at 10:00:00 on 2025-12-10.
As of now, the AQI in North Chicago, Illinois is 33, indicating Good 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 6.293 μg/m3.
The PM10 concentration in North Chicago, Illinois is 26.675 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in North Chicago, Illinois is 0.17 ppm.
Currently, North Chicago, Illinois has a sulfur dioxide (SO2) concentration of 0.5 ppb.
The current ozone (O3) level in North Chicago, Illinois at the moment is 19.785 ppm.
Nitrogen dioxide (NO2) level in North Chicago, Illinois at the moment is 7.184 ppb.
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