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)
122
Unhealthy for sensitive groups
Leoni, Michigan
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
44.46 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
97.43 μg/m³
0
55
155
255
425
605+
43.59 ppb
0
55
71
86
201
201+
0.71 ppb
0
36
76
186
605
1005+
5.38 ppb
0
54
101
361
1250
2050+
0.40 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Leoni, Michigan
Leoni, Michigan
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AQI 127
Unhealthy for sensitive groups
45.97μg/m³
PM2.5
69.22μg/m³
PM10
43.66ppb
O3
0.67ppb
SO2
3.65ppb
NO2
0.40ppm
CO
AQI 144
Unhealthy for sensitive groups
52.60μg/m³
PM2.5
122.84μg/m³
PM10
43.50ppb
O3
0.65ppb
SO2
3.56ppb
NO2
0.40ppm
CO
AQI 122
Unhealthy for sensitive groups
44.05μg/m³
PM2.5
134.69μg/m³
PM10
44.32ppb
O3
0.70ppb
SO2
3.77ppb
NO2
0.40ppm
CO
AQI 153
Unhealthy
58.06μg/m³
PM2.5
244.36μg/m³
PM10
35.35ppb
O3
0.86ppb
SO2
8.29ppb
NO2
0.42ppm
CO
AQI 137
Unhealthy for sensitive groups
49.64μg/m³
PM2.5
221.36μg/m³
PM10
36.80ppb
O3
1.10ppb
SO2
9.04ppb
NO2
0.41ppm
CO
AQI 151
Unhealthy
56.01μg/m³
PM2.5
235.42μg/m³
PM10
36.95ppb
O3
1.14ppb
SO2
10.24ppb
NO2
0.42ppm
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 02:00:00 on 2025-06-05.
The best air quality in Leoni, Michigan was recorded at 02:00:00 on 2025-06-05.
The real-time air quality index in Leoni, Michigan is 122, currently categorized as Unhealthy for Sensitive Groups.
The most common pollutant in Leoni, Michigan is PM2.5.
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 44.463 μg/m3.
The current PM10 levels in Leoni, Michigan are 97.432 μg/m3.
The current carbon monoxide (CO) level in Leoni, Michigan is 0.404 ppm.
The current sulfur dioxide (SO2) levels in Leoni, Michigan are 0.713 ppb.
The current ozone (O3) levels at Leoni, Michigan is 43.589 ppm.
The current nitrogen dioxide (NO2) levels at Leoni, Michigan is 5.383 ppb.
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