Stay updated with real-time air quality in Pontiac, 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)
23
Good
Pontiac, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.24 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.31 μg/m³
0
55
155
255
425
605+
25.05 ppb
0
55
71
86
201
201+
0.71 ppb
0
36
76
186
605
1005+
5.90 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Pontiac, Illinois
Pontiac, Illinois
Scroll To Air Quality MapLoading...
AQI 22
Good
1.65μg/m³
PM2.5
7.04μg/m³
PM10
23.96ppb
O3
0.09ppb
SO2
3.07ppb
NO2
0.16ppm
CO
AQI 27
Good
4.80μg/m³
PM2.5
21.00μg/m³
PM10
18.01ppb
O3
0.85ppb
SO2
4.17ppb
NO2
0.21ppm
CO
AQI 27
Good
4.80μg/m³
PM2.5
20.98μg/m³
PM10
18.10ppb
O3
0.85ppb
SO2
4.15ppb
NO2
0.21ppm
CO
AQI 22
Good
1.57μg/m³
PM2.5
6.50μg/m³
PM10
23.93ppb
O3
0.10ppb
SO2
3.17ppb
NO2
0.16ppm
CO
AQI 24
Good
3.12μg/m³
PM2.5
14.69μg/m³
PM10
25.70ppb
O3
0.69ppb
SO2
5.96ppb
NO2
0.18ppm
CO
AQI 27
Good
4.94μg/m³
PM2.5
18.12μg/m³
PM10
24.57ppb
O3
0.62ppb
SO2
3.06ppb
NO2
0.23ppm
CO
Air quality and pollutant data for Illinois, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Pontiac, Illinois is updated every hour for accuracy.
In the past 24 hours, the air quality in Pontiac, Illinois was at its worst at 12:00:00 on 2025-09-05.
In the last 24 hours, the best air quality in Pontiac, Illinois was observed at 02:00:00 on 2025-09-06.
As of now, the AQI in Pontiac, Illinois is 23, indicating Good conditions.
Pontiac, Illinois air has the highest levels of O3.
Poor air quality in Pontiac, Illinois means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Pontiac, Illinois are currently 4.241 μg/m3.
The PM10 concentration in Pontiac, Illinois is 17.311 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Pontiac, Illinois is 0.175 ppm.
Currently, Pontiac, Illinois has a sulfur dioxide (SO2) concentration of 0.706 ppb.
The current ozone (O3) level in Pontiac, Illinois at the moment is 25.045 ppm.
Nitrogen dioxide (NO2) level in Pontiac, Illinois at the moment is 5.896 ppb.
All Rights Reserved © Ambee Inc. 2025