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)
50
Good
Mahomet, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.19 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.00 μg/m³
0
55
155
255
425
605+
54.25 ppb
0
55
71
86
201
201+
0.84 ppb
0
36
76
186
605
1005+
3.71 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Mahomet, Illinois
Mahomet, Illinois
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AQI 51
Moderate
6.89μg/m³
PM2.5
30.97μg/m³
PM10
55.20ppb
O3
0.82ppb
SO2
3.69ppb
NO2
0.12ppm
CO
AQI 54
Moderate
6.87μg/m³
PM2.5
30.77μg/m³
PM10
55.60ppb
O3
0.81ppb
SO2
3.69ppb
NO2
0.12ppm
CO
AQI 50
Good
6.89μg/m³
PM2.5
30.05μg/m³
PM10
54.08ppb
O3
0.96ppb
SO2
3.66ppb
NO2
0.13ppm
CO
AQI 54
Moderate
7.23μg/m³
PM2.5
32.14μg/m³
PM10
55.95ppb
O3
0.88ppb
SO2
3.12ppb
NO2
0.18ppm
CO
AQI 54
Moderate
7.20μg/m³
PM2.5
32.01μg/m³
PM10
56.00ppb
O3
0.88ppb
SO2
3.12ppb
NO2
0.18ppm
CO
AQI 54
Moderate
7.49μg/m³
PM2.5
32.97μg/m³
PM10
56.03ppb
O3
0.89ppb
SO2
3.25ppb
NO2
0.15ppm
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 07:00:00 on 2026-10-22.
In the last 24 hrs, the best air quality in Mahomet, Illinois was observed at 01:00:00 on 2026-10-22.
The current air quality in Mahomet, Illinois is 50, 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 7.193 μg/m3.
The current PM10 concentration at Mahomet, Illinois is 30 μg/m3.
The current carbon monoxide (CO) concentration at Mahomet, Illinois is 0.122 ppm.
The current sulfur dioxide (SO2) concentration at Mahomet, Illinois is 0.836 ppb.
The current ozone (O3) concentration at Mahomet, Illinois is 54.254 ppm.
The current nitrogen dioxide (NO2) concentration at Mahomet, Illinois is 3.712 ppb.
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