Stay updated with real-time air quality in Park Forest, 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)
38
Good
Park Forest, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.63 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.85 μg/m³
0
55
155
255
425
605+
40.08 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
3.99 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Park Forest, Illinois
Park Forest, Illinois
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AQI 38
Good
6.50μg/m³
PM2.5
24.90μg/m³
PM10
40.73ppb
O3
0.38ppb
SO2
2.09ppb
NO2
0.16ppm
CO
AQI 42
Good
6.65μg/m³
PM2.5
24.52μg/m³
PM10
44.55ppb
O3
0.38ppb
SO2
1.98ppb
NO2
0.16ppm
CO
AQI 41
Good
5.96μg/m³
PM2.5
25.86μg/m³
PM10
43.92ppb
O3
0.35ppb
SO2
1.57ppb
NO2
0.16ppm
CO
AQI 42
Good
7.26μg/m³
PM2.5
35.68μg/m³
PM10
44.66ppb
O3
0.38ppb
SO2
1.75ppb
NO2
0.16ppm
CO
AQI 41
Good
6.39μg/m³
PM2.5
28.42μg/m³
PM10
43.98ppb
O3
0.39ppb
SO2
1.75ppb
NO2
0.16ppm
CO
AQI 42
Good
6.96μg/m³
PM2.5
27.81μg/m³
PM10
44.63ppb
O3
0.38ppb
SO2
1.91ppb
NO2
0.16ppm
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 Park Forest, Illinois is updated every hour for accuracy.
In the past 24 hours, the air quality in Park Forest, Illinois was at its worst at 03:00:00 on 2026-06-09.
In the last 24 hours, the best air quality in Park Forest, Illinois was observed at 11:00:00 on 2026-06-09.
As of now, the AQI in Park Forest, Illinois is 38, indicating Good conditions.
Park Forest, Illinois air has the highest levels of O3.
Poor air quality in Park Forest, Illinois means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Park Forest, Illinois are currently 6.495 μg/m3.
The PM10 concentration in Park Forest, Illinois is 24.902 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Park Forest, Illinois is 0.158 ppm.
Currently, Park Forest, Illinois has a sulfur dioxide (SO2) concentration of 0.383 ppb.
The current ozone (O3) level in Park Forest, Illinois at the moment is 40.727 ppm.
Nitrogen dioxide (NO2) level in Park Forest, Illinois at the moment is 2.086 ppb.
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