Stay updated with real-time air quality in Round Lake Beach, 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)
60
Moderate
Round Lake Beach, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
13.78 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
65.70 μg/m³
0
55
155
255
425
605+
26.96 ppb
0
55
71
86
201
201+
1.31 ppb
0
36
76
186
605
1005+
3.61 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Round Lake Beach, Illinois
Round Lake Beach, Illinois
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AQI 60
Moderate
13.78μg/m³
PM2.5
65.70μg/m³
PM10
26.96ppb
O3
1.31ppb
SO2
3.61ppb
NO2
0.21ppm
CO
AQI 60
Moderate
14.08μg/m³
PM2.5
32.67μg/m³
PM10
27.37ppb
O3
1.33ppb
SO2
3.66ppb
NO2
0.21ppm
CO
AQI 58
Moderate
13.31μg/m³
PM2.5
48.32μg/m³
PM10
26.88ppb
O3
1.31ppb
SO2
3.79ppb
NO2
0.21ppm
CO
AQI 58
Moderate
13.32μg/m³
PM2.5
61.55μg/m³
PM10
27.01ppb
O3
1.24ppb
SO2
3.60ppb
NO2
0.21ppm
CO
AQI 58
Moderate
13.31μg/m³
PM2.5
48.32μg/m³
PM10
26.88ppb
O3
1.31ppb
SO2
3.79ppb
NO2
0.21ppm
CO
AQI 58
Moderate
13.31μg/m³
PM2.5
41.56μg/m³
PM10
27.09ppb
O3
1.17ppb
SO2
3.71ppb
NO2
0.22ppm
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 Round Lake Beach, Illinois is updated every hour for accuracy.
In the past 24 hours, the air quality in Round Lake Beach, Illinois was at its worst at 05:00:00 on 2026-08-23.
In the last 24 hours, the best air quality in Round Lake Beach, Illinois was observed at 03:00:00 on 2026-08-23.
As of now, the AQI in Round Lake Beach, Illinois is 60, indicating Moderate conditions.
Round Lake Beach, Illinois air has the highest levels of PM2.5.
Poor air quality in Round Lake Beach, Illinois means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Round Lake Beach, Illinois are currently 13.783 μg/m3.
The PM10 concentration in Round Lake Beach, Illinois is 65.697 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Round Lake Beach, Illinois is 0.21 ppm.
Currently, Round Lake Beach, Illinois has a sulfur dioxide (SO2) concentration of 1.306 ppb.
The current ozone (O3) level in Round Lake Beach, Illinois at the moment is 26.963 ppm.
Nitrogen dioxide (NO2) level in Round Lake Beach, Illinois at the moment is 3.611 ppb.
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