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)
33
Good
Lyons, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.56 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.93 μg/m³
0
55
155
255
425
605+
20.20 ppb
0
55
71
86
201
201+
0.61 ppb
0
36
76
186
605
1005+
9.21 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Lyons, Illinois
Lyons, Illinois
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AQI 27
Good
5.29μg/m³
PM2.5
23.65μg/m³
PM10
20.80ppb
O3
0.60ppb
SO2
9.24ppb
NO2
0.18ppm
CO
AQI 22
Good
4.49μg/m³
PM2.5
19.77μg/m³
PM10
21.62ppb
O3
0.60ppb
SO2
9.29ppb
NO2
0.18ppm
CO
AQI 27
Good
4.70μg/m³
PM2.5
20.70μg/m³
PM10
20.27ppb
O3
0.60ppb
SO2
9.26ppb
NO2
0.18ppm
CO
AQI 22
Good
4.36μg/m³
PM2.5
19.24μg/m³
PM10
22.27ppb
O3
0.60ppb
SO2
9.31ppb
NO2
0.18ppm
CO
AQI 27
Good
4.64μg/m³
PM2.5
20.34μg/m³
PM10
20.19ppb
O3
0.61ppb
SO2
9.15ppb
NO2
0.18ppm
CO
AQI 22
Good
4.41μg/m³
PM2.5
19.04μg/m³
PM10
19.04ppb
O3
0.61ppb
SO2
9.11ppb
NO2
0.18ppm
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 01:00:00, 2026-09-09.
The best air quality in Lyons, Illinois was observed at 01:00:00 on 2026-09-10.
The air quality in Lyons, Illinois right now is Good, with an AQI of 33.
In Lyons, Illinois, PM2.5 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 5.56 μg/m3.
Lyons, Illinois currently has a PM10 concentration of 24.933 μg/m3.
The current carbon monoxide (CO) level in Lyons, Illinois is 0.185 ppm.
The current sulfur dioxide (SO2) concentration in Lyons, Illinois is 0.606 ppb.
Lyons, Illinois currently has an ozone (O3) concentration of 20.198 ppm.
The current level of nitrogen dioxide (NO2) in Lyons, Illinois is 9.21 ppb.
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