Stay updated with real-time air quality in Huntley, 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
Huntley, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.77 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.35 μg/m³
0
55
155
255
425
605+
34.36 ppb
0
55
71
86
201
201+
0.25 ppb
0
36
76
186
605
1005+
2.50 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Very high
Huntley, Illinois
Huntley, Illinois
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AQI 31
Good
3.33μg/m³
PM2.5
14.61μg/m³
PM10
34.24ppb
O3
0.28ppb
SO2
2.50ppb
NO2
0.16ppm
CO
AQI 31
Good
3.33μg/m³
PM2.5
14.62μg/m³
PM10
34.25ppb
O3
0.28ppb
SO2
2.50ppb
NO2
0.16ppm
CO
AQI 31
Good
3.58μg/m³
PM2.5
14.11μg/m³
PM10
34.35ppb
O3
0.25ppb
SO2
2.46ppb
NO2
0.16ppm
CO
AQI 31
Good
3.27μg/m³
PM2.5
14.31μg/m³
PM10
33.95ppb
O3
0.25ppb
SO2
2.53ppb
NO2
0.16ppm
CO
AQI 31
Good
3.42μg/m³
PM2.5
15.02μg/m³
PM10
34.44ppb
O3
0.30ppb
SO2
2.47ppb
NO2
0.16ppm
CO
AQI 31
Good
3.20μg/m³
PM2.5
14.00μg/m³
PM10
34.00ppb
O3
0.24ppb
SO2
2.55ppb
NO2
0.16ppm
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 Huntley, Illinois is updated every hour for accuracy.
In the past 24 hours, the air quality in Huntley, Illinois was at its worst at 08:00:00 on 2026-04-27.
In the last 24 hours, the best air quality in Huntley, Illinois was observed at 09:00:00 on 2026-04-27.
As of now, the AQI in Huntley, Illinois is 31, indicating Good conditions.
Huntley, Illinois air has the highest levels of O3.
Poor air quality in Huntley, Illinois means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Huntley, Illinois are currently 3.765 μg/m3.
The PM10 concentration in Huntley, Illinois is 13.345 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Huntley, Illinois is 0.159 ppm.
Currently, Huntley, Illinois has a sulfur dioxide (SO2) concentration of 0.246 ppb.
The current ozone (O3) level in Huntley, Illinois at the moment is 34.36 ppm.
Nitrogen dioxide (NO2) level in Huntley, Illinois at the moment is 2.495 ppb.
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