Stay updated with real-time air quality in South Lyon, Michigan 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)
27
Good
South Lyon, Michigan
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.91 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.93 μg/m³
0
55
155
255
425
605+
7.32 ppb
0
55
71
86
201
201+
0.61 ppb
0
36
76
186
605
1005+
6.49 ppb
0
54
101
361
1250
2050+
0.34 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
South Lyon, Michigan
South Lyon, Michigan
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AQI 33
Good
6.19μg/m³
PM2.5
18.51μg/m³
PM10
6.86ppb
O3
0.48ppb
SO2
8.98ppb
NO2
0.35ppm
CO
AQI 33
Good
6.22μg/m³
PM2.5
21.97μg/m³
PM10
6.66ppb
O3
0.48ppb
SO2
9.00ppb
NO2
0.35ppm
CO
AQI 33
Good
6.14μg/m³
PM2.5
18.52μg/m³
PM10
6.67ppb
O3
0.48ppb
SO2
8.87ppb
NO2
0.36ppm
CO
AQI 33
Good
6.42μg/m³
PM2.5
16.02μg/m³
PM10
6.69ppb
O3
0.48ppb
SO2
6.67ppb
NO2
0.35ppm
CO
AQI 38
Good
7.09μg/m³
PM2.5
16.47μg/m³
PM10
6.14ppb
O3
0.49ppb
SO2
5.83ppb
NO2
0.35ppm
CO
AQI 33
Good
6.20μg/m³
PM2.5
16.51μg/m³
PM10
6.74ppb
O3
0.48ppb
SO2
7.75ppb
NO2
0.35ppm
CO
Air quality measurements for Michigan, 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 South Lyon, Michigan is updated on an hourly basis.
The worst air quality in South Lyon, Michigan was recorded at 11:00:00 on 2026-09-07.
The best air quality in South Lyon, Michigan was recorded at 02:00:00 on 2026-09-07.
The real-time air quality index in South Lyon, Michigan is 27, currently categorized as Good.
The most common pollutant in South Lyon, Michigan is PM2.5.
If the air quality in South Lyon, Michigan is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in South Lyon, Michigan at present are 4.905 μg/m3.
The current PM10 levels in South Lyon, Michigan are 21.935 μg/m3.
The current carbon monoxide (CO) level in South Lyon, Michigan is 0.335 ppm.
The current sulfur dioxide (SO2) levels in South Lyon, Michigan are 0.611 ppb.
The current ozone (O3) levels at South Lyon, Michigan is 7.315 ppm.
The current nitrogen dioxide (NO2) levels at South Lyon, Michigan is 6.485 ppb.
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