Stay updated with real-time air quality in Lyons, 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)
25
Good
Lyons, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.88 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.41 μg/m³
0
55
155
255
425
605+
27.02 ppb
0
55
71
86
201
201+
0.46 ppb
0
36
76
186
605
1005+
4.23 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Lyons, Illinois
Lyons, Illinois
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AQI 25
Good
3.85μg/m³
PM2.5
17.23μg/m³
PM10
27.38ppb
O3
0.45ppb
SO2
4.23ppb
NO2
0.17ppm
CO
AQI 25
Good
3.84μg/m³
PM2.5
17.22μg/m³
PM10
27.20ppb
O3
0.45ppb
SO2
4.23ppb
NO2
0.17ppm
CO
AQI 25
Good
3.89μg/m³
PM2.5
17.46μg/m³
PM10
27.02ppb
O3
0.45ppb
SO2
4.23ppb
NO2
0.17ppm
CO
AQI 25
Good
3.82μg/m³
PM2.5
17.10μg/m³
PM10
27.33ppb
O3
0.45ppb
SO2
4.23ppb
NO2
0.17ppm
CO
AQI 25
Good
3.94μg/m³
PM2.5
17.66μg/m³
PM10
26.74ppb
O3
0.46ppb
SO2
4.22ppb
NO2
0.17ppm
CO
AQI 24
Good
4.00μg/m³
PM2.5
18.00μg/m³
PM10
26.02ppb
O3
0.46ppb
SO2
4.22ppb
NO2
0.17ppm
CO
The air quality data for Illinois, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Lyons, Illinois are available every hour.
Lyons, Illinois experienced its worst air quality at 12:00:00, 2026-06-14.
The best air quality in Lyons, Illinois was observed at 11:00:00 on 2026-06-14.
The air quality in Lyons, Illinois right now is Good, with an AQI of 25.
In Lyons, Illinois, O3 is the most frequently found pollutant.
When air quality in Lyons, Illinois is compromised, staying indoors and wearing a mask can reduce health risks.
Lyons, Illinois currently has a PM2.5 concentration of 3.881 μg/m3.
Lyons, Illinois currently has a PM10 concentration of 17.407 μg/m3.
The current carbon monoxide (CO) level in Lyons, Illinois is 0.175 ppm.
The current sulfur dioxide (SO2) concentration in Lyons, Illinois is 0.455 ppb.
Lyons, Illinois currently has an ozone (O3) concentration of 27.024 ppm.
The current level of nitrogen dioxide (NO2) in Lyons, Illinois is 4.23 ppb.
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