Stay updated with real-time air quality in Buffalo Grove, 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)
15
Good
Buffalo Grove, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.42 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.95 μg/m³
0
55
155
255
425
605+
16.13 ppb
0
55
71
86
201
201+
0.44 ppb
0
36
76
186
605
1005+
13.47 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Buffalo Grove, Illinois
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AQI 19
Good
2.48μg/m³
PM2.5
9.10μg/m³
PM10
21.45ppb
O3
0.51ppb
SO2
13.25ppb
NO2
0.28ppm
CO
AQI 17
Good
2.52μg/m³
PM2.5
10.99μg/m³
PM10
18.07ppb
O3
0.48ppb
SO2
14.21ppb
NO2
0.27ppm
CO
AQI 20
Good
2.56μg/m³
PM2.5
9.80μg/m³
PM10
21.52ppb
O3
0.51ppb
SO2
13.11ppb
NO2
0.28ppm
CO
AQI 16
Good
2.52μg/m³
PM2.5
9.86μg/m³
PM10
17.33ppb
O3
0.50ppb
SO2
12.24ppb
NO2
0.26ppm
CO
AQI 18
Good
2.51μg/m³
PM2.5
9.64μg/m³
PM10
19.46ppb
O3
0.51ppb
SO2
11.81ppb
NO2
0.26ppm
CO
AQI 20
Good
2.11μg/m³
PM2.5
5.73μg/m³
PM10
21.69ppb
O3
0.51ppb
SO2
13.93ppb
NO2
0.28ppm
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 Buffalo Grove, Illinois is updated on an hourly basis.
The worst air quality in Buffalo Grove, Illinois was recorded at 02:00:00 on 2026-03-14.
The best air quality in Buffalo Grove, Illinois was recorded at 12:00:00 on 2026-03-14.
The real-time air quality index in Buffalo Grove, Illinois is 15, currently categorized as Good.
The most common pollutant in Buffalo Grove, Illinois is O3.
If the air quality in Buffalo Grove, Illinois is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Buffalo Grove, Illinois at present are 2.425 μg/m3.
The current PM10 levels in Buffalo Grove, Illinois are 7.948 μg/m3.
The current carbon monoxide (CO) level in Buffalo Grove, Illinois is 0.284 ppm.
The current sulfur dioxide (SO2) levels in Buffalo Grove, Illinois are 0.444 ppb.
The current ozone (O3) levels at Buffalo Grove, Illinois is 16.125 ppm.
The current nitrogen dioxide (NO2) levels at Buffalo Grove, Illinois is 13.468 ppb.
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