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

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.10 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
31.66 μg/m³
0
55
155
255
425
605+
12.23 ppb
0
55
71
86
201
201+
2.37 ppb
0
36
76
186
605
1005+
32.51 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
River Forest, Illinois
River Forest, Illinois
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AQI 33
Good
6.32μg/m³
PM2.5
27.97μg/m³
PM10
9.84ppb
O3
2.42ppb
SO2
17.65ppb
NO2
0.27ppm
CO
AQI 38
Good
7.07μg/m³
PM2.5
31.30μg/m³
PM10
9.90ppb
O3
2.41ppb
SO2
17.64ppb
NO2
0.27ppm
CO
AQI 33
Good
6.06μg/m³
PM2.5
26.69μg/m³
PM10
9.84ppb
O3
2.43ppb
SO2
17.56ppb
NO2
0.28ppm
CO
AQI 38
Good
7.46μg/m³
PM2.5
32.89μg/m³
PM10
10.02ppb
O3
2.42ppb
SO2
17.51ppb
NO2
0.27ppm
CO
AQI 38
Good
7.09μg/m³
PM2.5
31.22μg/m³
PM10
10.04ppb
O3
2.44ppb
SO2
17.36ppb
NO2
0.27ppm
CO
AQI 44
Good
7.69μg/m³
PM2.5
33.80μg/m³
PM10
10.11ppb
O3
2.43ppb
SO2
17.34ppb
NO2
0.27ppm
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 River Forest, Illinois is updated on an hourly basis.
The worst air quality in River Forest, Illinois was recorded at 04:00:00 on 2026-01-23.
The best air quality in River Forest, Illinois was recorded at 01:00:00 on 2026-01-23.
The real-time air quality index in River Forest, Illinois is 38, currently categorized as Good.
The most common pollutant in River Forest, Illinois is PM2.5.
If the air quality in River Forest, Illinois is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in River Forest, Illinois at present are 6.798 μg/m3.
The current PM10 levels in River Forest, Illinois are 29.943 μg/m3.
The current carbon monoxide (CO) level in River Forest, Illinois is 0.274 ppm.
The current sulfur dioxide (SO2) levels in River Forest, Illinois are 2.439 ppb.
The current ozone (O3) levels at River Forest, Illinois is 9.951 ppm.
The current nitrogen dioxide (NO2) levels at River Forest, Illinois is 17.397 ppb.
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