Stay updated with real-time air quality in Ionia City, 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
Ionia City, Michigan
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.81 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.10 μg/m³
0
55
155
255
425
605+
29.00 ppb
0
55
71
86
201
201+
0.70 ppb
0
36
76
186
605
1005+
2.82 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Ionia City, Michigan
Ionia City, Michigan
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AQI 20
Good
1.25μg/m³
PM2.5
5.09μg/m³
PM10
22.35ppb
O3
0.52ppb
SO2
4.73ppb
NO2
0.19ppm
CO
AQI 19
Good
1.85μg/m³
PM2.5
8.92μg/m³
PM10
21.23ppb
O3
0.24ppb
SO2
6.03ppb
NO2
0.23ppm
CO
AQI 20
Good
2.68μg/m³
PM2.5
10.54μg/m³
PM10
22.16ppb
O3
0.24ppb
SO2
9.23ppb
NO2
0.23ppm
CO
AQI 20
Good
2.57μg/m³
PM2.5
12.34μg/m³
PM10
22.21ppb
O3
0.31ppb
SO2
10.01ppb
NO2
0.23ppm
CO
AQI 22
Good
2.24μg/m³
PM2.5
7.77μg/m³
PM10
23.59ppb
O3
0.14ppb
SO2
5.81ppb
NO2
0.20ppm
CO
AQI 21
Good
2.82μg/m³
PM2.5
10.54μg/m³
PM10
23.32ppb
O3
0.14ppb
SO2
7.50ppb
NO2
0.20ppm
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 Ionia City, Michigan is updated on an hourly basis.
The worst air quality in Ionia City, Michigan was recorded at 09:00:00 on 2025-10-24.
The best air quality in Ionia City, Michigan was recorded at 01:00:00 on 2025-10-24.
The real-time air quality index in Ionia City, Michigan is 20, currently categorized as Good.
The most common pollutant in Ionia City, Michigan is O3.
If the air quality in Ionia City, Michigan is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Ionia City, Michigan at present are 1.249 μg/m3.
The current PM10 levels in Ionia City, Michigan are 5.089 μg/m3.
The current carbon monoxide (CO) level in Ionia City, Michigan is 0.186 ppm.
The current sulfur dioxide (SO2) levels in Ionia City, Michigan are 0.517 ppb.
The current ozone (O3) levels at Ionia City, Michigan is 22.349 ppm.
The current nitrogen dioxide (NO2) levels at Ionia City, Michigan is 4.729 ppb.
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