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)
71
Moderate
Mahomet, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
19.78 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
79.83 μg/m³
0
55
155
255
425
605+
10.88 ppb
0
55
71
86
201
201+
0.19 ppb
0
36
76
186
605
1005+
7.89 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Mahomet, Illinois
Mahomet, Illinois
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AQI 69
Moderate
18.89μg/m³
PM2.5
82.97μg/m³
PM10
18.50ppb
O3
0.67ppb
SO2
8.75ppb
NO2
0.13ppm
CO
AQI 69
Moderate
18.85μg/m³
PM2.5
82.78μg/m³
PM10
18.53ppb
O3
0.68ppb
SO2
8.70ppb
NO2
0.13ppm
CO
AQI 66
Moderate
17.30μg/m³
PM2.5
61.03μg/m³
PM10
16.44ppb
O3
0.37ppb
SO2
9.55ppb
NO2
0.15ppm
CO
AQI 64
Moderate
15.63μg/m³
PM2.5
69.12μg/m³
PM10
17.14ppb
O3
0.33ppb
SO2
8.82ppb
NO2
0.17ppm
CO
AQI 64
Moderate
15.60μg/m³
PM2.5
69.01μg/m³
PM10
17.14ppb
O3
0.32ppb
SO2
8.82ppb
NO2
0.17ppm
CO
AQI 66
Moderate
16.80μg/m³
PM2.5
74.99μg/m³
PM10
15.21ppb
O3
0.78ppb
SO2
8.29ppb
NO2
0.18ppm
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 09:00:00 on 2025-12-07.
In the last 24 hrs, the best air quality in Mahomet, Illinois was observed at 11:00:00 on 2025-12-06.
The current air quality in Mahomet, Illinois is 71, 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 19.777 μg/m3.
The current PM10 concentration at Mahomet, Illinois is 79.829 μg/m3.
The current carbon monoxide (CO) concentration at Mahomet, Illinois is 0.126 ppm.
The current sulfur dioxide (SO2) concentration at Mahomet, Illinois is 0.187 ppb.
The current ozone (O3) concentration at Mahomet, Illinois is 10.882 ppm.
The current nitrogen dioxide (NO2) concentration at Mahomet, Illinois is 7.891 ppb.
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