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)
62
Moderate
Round Lake Beach, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
15.03 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
61.44 μg/m³
0
55
155
255
425
605+
38.65 ppb
0
55
71
86
201
201+
0.45 ppb
0
36
76
186
605
1005+
4.37 ppb
0
54
101
361
1250
2050+
0.22 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 75
Moderate
21.75μg/m³
PM2.5
94.38μg/m³
PM10
20.15ppb
O3
0.35ppb
SO2
9.93ppb
NO2
0.11ppm
CO
AQI 81
Moderate
24.75μg/m³
PM2.5
78.02μg/m³
PM10
23.58ppb
O3
0.35ppb
SO2
8.43ppb
NO2
0.11ppm
CO
AQI 75
Moderate
22.04μg/m³
PM2.5
78.08μg/m³
PM10
20.58ppb
O3
0.35ppb
SO2
7.34ppb
NO2
0.11ppm
CO
AQI 73
Moderate
20.51μg/m³
PM2.5
62.70μg/m³
PM10
18.58ppb
O3
0.35ppb
SO2
10.50ppb
NO2
0.11ppm
CO
AQI 75
Moderate
22.04μg/m³
PM2.5
78.08μg/m³
PM10
20.58ppb
O3
0.35ppb
SO2
7.34ppb
NO2
0.11ppm
CO
AQI 75
Moderate
22.36μg/m³
PM2.5
90.60μg/m³
PM10
25.22ppb
O3
0.36ppb
SO2
8.78ppb
NO2
0.11ppm
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 11:00:00 on 2025-07-21.
In the last 24 hours, the best air quality in Round Lake Beach, Illinois was observed at 03:00:00 on 2025-07-22.
As of now, the AQI in Round Lake Beach, Illinois is 65, indicating Moderate conditions.
Round Lake Beach, Illinois air has the highest levels of PM10.
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 16.484 μg/m3.
The PM10 concentration in Round Lake Beach, Illinois is 83.015 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Round Lake Beach, Illinois is 0.122 ppm.
Currently, Round Lake Beach, Illinois has a sulfur dioxide (SO2) concentration of 0.359 ppb.
The current ozone (O3) level in Round Lake Beach, Illinois at the moment is 20.055 ppm.
Nitrogen dioxide (NO2) level in Round Lake Beach, Illinois at the moment is 9.246 ppb.
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