Stay updated with real-time air quality in Mahomet, 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)
54
Moderate
Mahomet, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.91 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
50.45 μg/m³
0
55
155
255
425
605+
27.94 ppb
0
55
71
86
201
201+
0.30 ppb
0
36
76
186
605
1005+
3.18 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Mahomet, Illinois
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AQI 52
Moderate
10.01μg/m³
PM2.5
45.03μg/m³
PM10
23.98ppb
O3
0.36ppb
SO2
3.87ppb
NO2
0.22ppm
CO
AQI 52
Moderate
10.09μg/m³
PM2.5
45.29μg/m³
PM10
23.81ppb
O3
0.36ppb
SO2
3.86ppb
NO2
0.22ppm
CO
AQI 54
Moderate
10.72μg/m³
PM2.5
47.15μg/m³
PM10
20.93ppb
O3
0.34ppb
SO2
3.68ppb
NO2
0.22ppm
CO
AQI 62
Moderate
15.24μg/m³
PM2.5
68.73μg/m³
PM10
31.94ppb
O3
0.29ppb
SO2
4.14ppb
NO2
0.22ppm
CO
AQI 62
Moderate
15.30μg/m³
PM2.5
68.98μg/m³
PM10
32.00ppb
O3
0.29ppb
SO2
4.14ppb
NO2
0.22ppm
CO
AQI 33
Good
5.81μg/m³
PM2.5
25.14μg/m³
PM10
23.19ppb
O3
0.22ppb
SO2
0.91ppb
NO2
0.13ppm
CO
Air quality data and pollutant measurements for Illinois, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Mahomet, Illinois is updated every hour.
The worst air quality in Mahomet, Illinois in the last 24 hours was observed at 08:00:00 on 2026-03-10.
In the last 24 hrs, the best air quality in Mahomet, Illinois was observed at 01:00:00 on 2026-03-10.
The current air quality in Mahomet, Illinois is 54, categorized as Moderate based on real-time data.
The most common pollutant in Mahomet, Illinois is PM2.5.
If the air quality in Mahomet, Illinois is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Mahomet, Illinois is 10.91 μg/m3.
The current PM10 concentration at Mahomet, Illinois is 50.445 μg/m3.
The current carbon monoxide (CO) concentration at Mahomet, Illinois is 0.235 ppm.
The current sulfur dioxide (SO2) concentration at Mahomet, Illinois is 0.296 ppb.
The current ozone (O3) concentration at Mahomet, Illinois is 27.939 ppm.
The current nitrogen dioxide (NO2) concentration at Mahomet, Illinois is 3.183 ppb.
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