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)
26
Good
Mahomet, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.52 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.46 μg/m³
0
55
155
255
425
605+
28.11 ppb
0
55
71
86
201
201+
1.13 ppb
0
36
76
186
605
1005+
9.75 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Mahomet, Illinois
Mahomet, Illinois
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AQI 31
Good
3.50μg/m³
PM2.5
16.00μg/m³
PM10
32.88ppb
O3
1.12ppb
SO2
9.85ppb
NO2
0.11ppm
CO
AQI 30
Good
3.51μg/m³
PM2.5
16.00μg/m³
PM10
32.24ppb
O3
1.12ppb
SO2
9.81ppb
NO2
0.11ppm
CO
AQI 22
Good
3.54μg/m³
PM2.5
20.14μg/m³
PM10
22.22ppb
O3
1.13ppb
SO2
9.48ppb
NO2
0.13ppm
CO
AQI 22
Good
3.60μg/m³
PM2.5
16.01μg/m³
PM10
19.78ppb
O3
1.11ppb
SO2
4.99ppb
NO2
0.11ppm
CO
AQI 22
Good
3.60μg/m³
PM2.5
16.00μg/m³
PM10
19.77ppb
O3
1.12ppb
SO2
4.98ppb
NO2
0.11ppm
CO
AQI 22
Good
3.60μg/m³
PM2.5
16.00μg/m³
PM10
17.15ppb
O3
0.58ppb
SO2
3.05ppb
NO2
0.12ppm
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 2026-01-23.
In the last 24 hrs, the best air quality in Mahomet, Illinois was observed at 04:00:00 on 2026-01-23.
The current air quality in Mahomet, Illinois is 26, 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 3.521 μg/m3.
The current PM10 concentration at Mahomet, Illinois is 18.464 μg/m3.
The current carbon monoxide (CO) concentration at Mahomet, Illinois is 0.111 ppm.
The current sulfur dioxide (SO2) concentration at Mahomet, Illinois is 1.126 ppb.
The current ozone (O3) concentration at Mahomet, Illinois is 28.11 ppm.
The current nitrogen dioxide (NO2) concentration at Mahomet, Illinois is 9.749 ppb.
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