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)
41
Good
Pontiac, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.09 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.87 μg/m³
0
55
155
255
425
605+
44.44 ppb
0
55
71
86
201
201+
0.47 ppb
0
36
76
186
605
1005+
4.91 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Pontiac, Illinois
Pontiac, Illinois
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AQI 36
Good
0.63μg/m³
PM2.5
2.00μg/m³
PM10
39.33ppb
O3
0.10ppb
SO2
0.55ppb
NO2
0.12ppm
CO
AQI 45
Good
2.30μg/m³
PM2.5
10.00μg/m³
PM10
49.00ppb
O3
0.47ppb
SO2
2.35ppb
NO2
0.11ppm
CO
AQI 45
Good
2.30μg/m³
PM2.5
10.03μg/m³
PM10
48.98ppb
O3
0.47ppb
SO2
2.35ppb
NO2
0.11ppm
CO
AQI 37
Good
0.80μg/m³
PM2.5
3.00μg/m³
PM10
39.73ppb
O3
0.10ppb
SO2
0.53ppb
NO2
0.12ppm
CO
AQI 40
Good
2.03μg/m³
PM2.5
8.28μg/m³
PM10
43.47ppb
O3
0.42ppb
SO2
6.21ppb
NO2
0.14ppm
CO
AQI 45
Good
2.42μg/m³
PM2.5
13.43μg/m³
PM10
48.78ppb
O3
0.51ppb
SO2
2.26ppb
NO2
0.11ppm
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 07:00:00 on 2026-06-15.
In the last 24 hours, the best air quality in Pontiac, Illinois was observed at 08:00:00 on 2026-06-15.
As of now, the AQI in Pontiac, Illinois is 41, 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 2.091 μg/m3.
The PM10 concentration in Pontiac, Illinois is 8.873 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Pontiac, Illinois is 0.116 ppm.
Currently, Pontiac, Illinois has a sulfur dioxide (SO2) concentration of 0.473 ppb.
The current ozone (O3) level in Pontiac, Illinois at the moment is 44.438 ppm.
Nitrogen dioxide (NO2) level in Pontiac, Illinois at the moment is 4.905 ppb.
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