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)
44
Good
Mahomet, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.66 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.43 μg/m³
0
55
155
255
425
605+
47.83 ppb
0
55
71
86
201
201+
0.81 ppb
0
36
76
186
605
1005+
4.24 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Mahomet, Illinois
Mahomet, Illinois
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AQI 41
Good
4.11μg/m³
PM2.5
18.04μg/m³
PM10
43.69ppb
O3
0.79ppb
SO2
4.29ppb
NO2
0.20ppm
CO
AQI 40
Good
4.17μg/m³
PM2.5
18.35μg/m³
PM10
43.46ppb
O3
0.79ppb
SO2
4.28ppb
NO2
0.20ppm
CO
AQI 38
Good
4.99μg/m³
PM2.5
22.02μg/m³
PM10
41.46ppb
O3
0.81ppb
SO2
4.33ppb
NO2
0.20ppm
CO
AQI 37
Good
3.92μg/m³
PM2.5
17.08μg/m³
PM10
40.07ppb
O3
0.60ppb
SO2
2.79ppb
NO2
0.20ppm
CO
AQI 37
Good
3.90μg/m³
PM2.5
17.00μg/m³
PM10
40.01ppb
O3
0.60ppb
SO2
2.79ppb
NO2
0.20ppm
CO
AQI 36
Good
4.59μg/m³
PM2.5
19.98μg/m³
PM10
39.03ppb
O3
0.37ppb
SO2
2.92ppb
NO2
0.20ppm
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 12:00:00 on 2026-07-24.
In the last 24 hrs, the best air quality in Mahomet, Illinois was observed at 11:00:00 on 2026-07-23.
The current air quality in Mahomet, Illinois is 44, categorized as Good based on real-time data.
The most common pollutant in Mahomet, Illinois is O3.
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 4.656 μg/m3.
The current PM10 concentration at Mahomet, Illinois is 21.432 μg/m3.
The current carbon monoxide (CO) concentration at Mahomet, Illinois is 0.203 ppm.
The current sulfur dioxide (SO2) concentration at Mahomet, Illinois is 0.806 ppb.
The current ozone (O3) concentration at Mahomet, Illinois is 47.831 ppm.
The current nitrogen dioxide (NO2) concentration at Mahomet, Illinois is 4.238 ppb.
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