Stay updated with real-time air quality in Fox Lake, 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)
31
Good
Fox Lake, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.52 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
4.53 μg/m³
0
55
155
255
425
605+
34.43 ppb
0
55
71
86
201
201+
0.24 ppb
0
36
76
186
605
1005+
5.99 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Fox Lake, Illinois
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AQI 31
Good
1.62μg/m³
PM2.5
7.50μg/m³
PM10
34.31ppb
O3
0.25ppb
SO2
5.84ppb
NO2
0.22ppm
CO
AQI 31
Good
1.62μg/m³
PM2.5
7.50μg/m³
PM10
34.31ppb
O3
0.25ppb
SO2
5.84ppb
NO2
0.22ppm
CO
AQI 32
Good
1.55μg/m³
PM2.5
5.71μg/m³
PM10
35.28ppb
O3
0.25ppb
SO2
5.76ppb
NO2
0.22ppm
CO
AQI 31
Good
1.66μg/m³
PM2.5
4.50μg/m³
PM10
34.39ppb
O3
0.23ppb
SO2
6.14ppb
NO2
0.22ppm
CO
AQI 32
Good
1.61μg/m³
PM2.5
4.74μg/m³
PM10
34.56ppb
O3
0.25ppb
SO2
6.01ppb
NO2
0.22ppm
CO
AQI 32
Good
1.63μg/m³
PM2.5
7.56μg/m³
PM10
34.66ppb
O3
0.25ppb
SO2
5.87ppb
NO2
0.22ppm
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 Fox Lake, Illinois is updated on an hourly basis.
The worst air quality in Fox Lake, Illinois was recorded at 08:00:00 on 2026-03-11.
The best air quality in Fox Lake, Illinois was recorded at 09:00:00 on 2026-03-11.
The real-time air quality index in Fox Lake, Illinois is 31, currently categorized as Good.
The most common pollutant in Fox Lake, Illinois is O3.
If the air quality in Fox Lake, Illinois is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Fox Lake, Illinois at present are 1.516 μg/m3.
The current PM10 levels in Fox Lake, Illinois are 4.529 μg/m3.
The current carbon monoxide (CO) level in Fox Lake, Illinois is 0.223 ppm.
The current sulfur dioxide (SO2) levels in Fox Lake, Illinois are 0.242 ppb.
The current ozone (O3) levels at Fox Lake, Illinois is 34.43 ppm.
The current nitrogen dioxide (NO2) levels at Fox Lake, Illinois is 5.988 ppb.
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