Stay updated with real-time air quality in Waukegan, 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)
42
Good
Waukegan, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.35 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.65 μg/m³
0
55
155
255
425
605+
44.78 ppb
0
55
71
86
201
201+
0.55 ppb
0
36
76
186
605
1005+
2.28 ppb
0
54
101
361
1250
2050+
0.36 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Waukegan, Illinois
Waukegan, Illinois
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AQI 98
Moderate
32.15μg/m³
PM2.5
149.39μg/m³
PM10
26.98ppb
O3
0.45ppb
SO2
8.38ppb
NO2
0.12ppm
CO
AQI 60
Moderate
14.32μg/m³
PM2.5
53.34μg/m³
PM10
19.94ppb
O3
0.45ppb
SO2
6.78ppb
NO2
0.12ppm
CO
AQI 60
Moderate
14.12μg/m³
PM2.5
52.44μg/m³
PM10
19.18ppb
O3
0.44ppb
SO2
6.44ppb
NO2
0.12ppm
CO
AQI 60
Moderate
13.97μg/m³
PM2.5
52.12μg/m³
PM10
18.21ppb
O3
0.44ppb
SO2
5.85ppb
NO2
0.12ppm
CO
AQI 62
Moderate
15.40μg/m³
PM2.5
71.94μg/m³
PM10
25.71ppb
O3
0.45ppb
SO2
6.88ppb
NO2
0.12ppm
CO
AQI 75
Moderate
22.00μg/m³
PM2.5
60.60μg/m³
PM10
23.68ppb
O3
0.48ppb
SO2
13.36ppb
NO2
0.13ppm
CO
Air quality measurements for Illinois, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Waukegan, Illinois is updated on an hourly basis.
The worst air quality in Waukegan, Illinois was recorded at 10:00:00 on 2025-07-21.
The best air quality in Waukegan, Illinois was recorded at 03:00:00 on 2025-07-22.
The real-time air quality index in Waukegan, Illinois is 94, currently categorized as Moderate.
The most common pollutant in Waukegan, Illinois is PM2.5.
If the air quality in Waukegan, Illinois is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Waukegan, Illinois at present are 32.122 μg/m3.
The current PM10 levels in Waukegan, Illinois are 133.186 μg/m3.
The current carbon monoxide (CO) level in Waukegan, Illinois is 0.123 ppm.
The current sulfur dioxide (SO2) levels in Waukegan, Illinois are 0.504 ppb.
The current ozone (O3) levels at Waukegan, Illinois is 24.138 ppm.
The current nitrogen dioxide (NO2) levels at Waukegan, Illinois is 7.308 ppb.
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