Stay updated with real-time air quality in Leoni, 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)
40
Good
Leoni, Michigan
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.38 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.50 μg/m³
0
55
155
255
425
605+
42.99 ppb
0
55
71
86
201
201+
1.02 ppb
0
36
76
186
605
1005+
5.59 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Leoni, Michigan
Leoni, Michigan
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AQI 38
Good
4.99μg/m³
PM2.5
21.05μg/m³
PM10
40.51ppb
O3
1.01ppb
SO2
5.29ppb
NO2
0.15ppm
CO
AQI 37
Good
4.86μg/m³
PM2.5
21.50μg/m³
PM10
39.73ppb
O3
1.00ppb
SO2
5.15ppb
NO2
0.15ppm
CO
AQI 38
Good
5.33μg/m³
PM2.5
19.93μg/m³
PM10
40.70ppb
O3
1.01ppb
SO2
5.43ppb
NO2
0.15ppm
CO
AQI 40
Good
5.72μg/m³
PM2.5
23.26μg/m³
PM10
42.87ppb
O3
0.96ppb
SO2
4.86ppb
NO2
0.17ppm
CO
AQI 43
Good
4.82μg/m³
PM2.5
20.81μg/m³
PM10
45.64ppb
O3
1.17ppb
SO2
4.45ppb
NO2
0.15ppm
CO
AQI 39
Good
5.53μg/m³
PM2.5
20.16μg/m³
PM10
41.60ppb
O3
1.05ppb
SO2
5.39ppb
NO2
0.17ppm
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 Leoni, Michigan is updated on an hourly basis.
The worst air quality in Leoni, Michigan was recorded at 08:00:00 on 2026-07-23.
The best air quality in Leoni, Michigan was recorded at 03:00:00 on 2026-07-23.
The real-time air quality index in Leoni, Michigan is 40, currently categorized as Good.
The most common pollutant in Leoni, Michigan is O3.
If the air quality in Leoni, Michigan is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Leoni, Michigan at present are 5.384 μg/m3.
The current PM10 levels in Leoni, Michigan are 17.504 μg/m3.
The current carbon monoxide (CO) level in Leoni, Michigan is 0.154 ppm.
The current sulfur dioxide (SO2) levels in Leoni, Michigan are 1.021 ppb.
The current ozone (O3) levels at Leoni, Michigan is 42.993 ppm.
The current nitrogen dioxide (NO2) levels at Leoni, Michigan is 5.594 ppb.
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