Stay updated with real-time air quality in Richton Park, 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)
40
Good
Richton Park, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.58 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.85 μg/m³
0
55
155
255
425
605+
43.05 ppb
0
55
71
86
201
201+
0.55 ppb
0
36
76
186
605
1005+
3.58 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Richton Park, Illinois
Richton Park, Illinois
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AQI 40
Good
3.62μg/m³
PM2.5
16.05μg/m³
PM10
42.94ppb
O3
0.56ppb
SO2
3.59ppb
NO2
0.18ppm
CO
AQI 40
Good
3.58μg/m³
PM2.5
15.85μg/m³
PM10
43.05ppb
O3
0.55ppb
SO2
3.58ppb
NO2
0.18ppm
CO
AQI 41
Good
3.40μg/m³
PM2.5
14.43μg/m³
PM10
44.12ppb
O3
0.64ppb
SO2
3.59ppb
NO2
0.19ppm
CO
AQI 40
Good
3.62μg/m³
PM2.5
13.71μg/m³
PM10
43.38ppb
O3
0.57ppb
SO2
3.61ppb
NO2
0.19ppm
CO
AQI 40
Good
3.61μg/m³
PM2.5
13.76μg/m³
PM10
43.49ppb
O3
0.57ppb
SO2
3.62ppb
NO2
0.19ppm
CO
AQI 40
Good
3.50μg/m³
PM2.5
15.83μg/m³
PM10
43.39ppb
O3
0.58ppb
SO2
3.60ppb
NO2
0.19ppm
CO
Air quality measurements for Illinois, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Richton Park, Illinois is updated on an hourly basis.
The worst air quality in Richton Park, Illinois was recorded at 01:00:00 on 2026-06-13.
The best air quality in Richton Park, Illinois was recorded at 09:00:00 on 2026-06-13.
The real-time air quality index in Richton Park, Illinois is 40, currently categorized as Good.
The most common pollutant in Richton Park, Illinois is O3.
If the air quality in Richton Park, Illinois is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Richton Park, Illinois at present are 3.585 μg/m3.
The current PM10 levels in Richton Park, Illinois are 15.846 μg/m3.
The current carbon monoxide (CO) level in Richton Park, Illinois is 0.183 ppm.
The current sulfur dioxide (SO2) levels in Richton Park, Illinois are 0.552 ppb.
The current ozone (O3) levels at Richton Park, Illinois is 43.054 ppm.
The current nitrogen dioxide (NO2) levels at Richton Park, Illinois is 3.575 ppb.
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