Stay updated with real-time air quality in Hoffman Estates, 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)
62
Moderate
Hoffman Estates, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
14.61 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
64.42 μg/m³
0
55
155
255
425
605+
28.98 ppb
0
55
71
86
201
201+
1.66 ppb
0
36
76
186
605
1005+
2.48 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hoffman Estates, Illinois
Hoffman Estates, Illinois
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AQI 64
Moderate
15.92μg/m³
PM2.5
67.80μg/m³
PM10
29.80ppb
O3
2.58ppb
SO2
1.94ppb
NO2
0.22ppm
CO
AQI 64
Moderate
16.05μg/m³
PM2.5
68.08μg/m³
PM10
28.33ppb
O3
2.54ppb
SO2
1.95ppb
NO2
0.22ppm
CO
AQI 64
Moderate
16.05μg/m³
PM2.5
68.08μg/m³
PM10
28.33ppb
O3
2.54ppb
SO2
1.95ppb
NO2
0.22ppm
CO
AQI 66
Moderate
17.03μg/m³
PM2.5
52.28μg/m³
PM10
28.76ppb
O3
2.50ppb
SO2
2.06ppb
NO2
0.22ppm
CO
AQI 66
Moderate
17.28μg/m³
PM2.5
76.00μg/m³
PM10
29.01ppb
O3
2.42ppb
SO2
1.99ppb
NO2
0.22ppm
CO
AQI 64
Moderate
15.57μg/m³
PM2.5
69.97μg/m³
PM10
27.32ppb
O3
2.62ppb
SO2
2.01ppb
NO2
0.22ppm
CO
The air quality data for Illinois, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Hoffman Estates, Illinois are available every hour.
Hoffman Estates, Illinois experienced its worst air quality at 05:00:00, 2026-08-23.
The best air quality in Hoffman Estates, Illinois was observed at 03:00:00 on 2026-08-23.
The air quality in Hoffman Estates, Illinois right now is Moderate, with an AQI of 62.
In Hoffman Estates, Illinois, PM2.5 is the most frequently found pollutant.
When air quality in Hoffman Estates, Illinois is compromised, staying indoors and wearing a mask can reduce health risks.
Hoffman Estates, Illinois currently has a PM2.5 concentration of 14.609 μg/m3.
Hoffman Estates, Illinois currently has a PM10 concentration of 64.418 μg/m3.
The current carbon monoxide (CO) level in Hoffman Estates, Illinois is 0.199 ppm.
The current sulfur dioxide (SO2) concentration in Hoffman Estates, Illinois is 1.656 ppb.
Hoffman Estates, Illinois currently has an ozone (O3) concentration of 28.977 ppm.
The current level of nitrogen dioxide (NO2) in Hoffman Estates, Illinois is 2.48 ppb.
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