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)
24
Good
Park Forest, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.67 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.25 μg/m³
0
55
155
255
425
605+
26.03 ppb
0
55
71
86
201
201+
0.49 ppb
0
36
76
186
605
1005+
7.22 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Park Forest, Illinois
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AQI 46
Good
7.90μg/m³
PM2.5
50.27μg/m³
PM10
22.99ppb
O3
0.39ppb
SO2
6.42ppb
NO2
0.23ppm
CO
AQI 29
Good
4.88μg/m³
PM2.5
31.12μg/m³
PM10
25.32ppb
O3
0.39ppb
SO2
10.20ppb
NO2
0.23ppm
CO
AQI 49
Good
8.63μg/m³
PM2.5
38.12μg/m³
PM10
28.34ppb
O3
0.42ppb
SO2
11.27ppb
NO2
0.23ppm
CO
AQI 32
Good
5.12μg/m³
PM2.5
34.76μg/m³
PM10
22.03ppb
O3
0.41ppb
SO2
12.01ppb
NO2
0.23ppm
CO
AQI 49
Good
8.56μg/m³
PM2.5
38.08μg/m³
PM10
25.57ppb
O3
0.40ppb
SO2
10.79ppb
NO2
0.23ppm
CO
AQI 27
Good
5.24μg/m³
PM2.5
25.77μg/m³
PM10
28.49ppb
O3
0.39ppb
SO2
10.46ppb
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 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 05:00:00 on 2026-03-10.
In the last 24 hours, the best air quality in Park Forest, Illinois was observed at 03:00:00 on 2026-03-10.
As of now, the AQI in Park Forest, Illinois is 38, indicating Good conditions.
Park Forest, Illinois air has the highest levels of PM10.
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 5.839 μg/m3.
The PM10 concentration in Park Forest, Illinois is 40.694 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Park Forest, Illinois is 0.227 ppm.
Currently, Park Forest, Illinois has a sulfur dioxide (SO2) concentration of 0.369 ppb.
The current ozone (O3) level in Park Forest, Illinois at the moment is 31.107 ppm.
Nitrogen dioxide (NO2) level in Park Forest, Illinois at the moment is 6.449 ppb.
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