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)
23
Good
Ionia City, Michigan
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.18 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.89 μg/m³
0
55
155
255
425
605+
24.92 ppb
0
55
71
86
201
201+
0.67 ppb
0
36
76
186
605
1005+
6.80 ppb
0
54
101
361
1250
2050+
0.20 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 22
Good
4.46μg/m³
PM2.5
18.04μg/m³
PM10
23.60ppb
O3
0.62ppb
SO2
4.04ppb
NO2
0.18ppm
CO
AQI 22
Good
3.99μg/m³
PM2.5
17.93μg/m³
PM10
23.99ppb
O3
0.42ppb
SO2
6.26ppb
NO2
0.21ppm
CO
AQI 22
Good
4.13μg/m³
PM2.5
21.64μg/m³
PM10
23.97ppb
O3
0.40ppb
SO2
6.42ppb
NO2
0.23ppm
CO
AQI 22
Good
4.19μg/m³
PM2.5
22.47μg/m³
PM10
22.50ppb
O3
0.43ppb
SO2
6.19ppb
NO2
0.23ppm
CO
AQI 23
Good
3.78μg/m³
PM2.5
16.17μg/m³
PM10
25.38ppb
O3
0.16ppb
SO2
6.99ppb
NO2
0.20ppm
CO
AQI 23
Good
3.85μg/m³
PM2.5
17.46μg/m³
PM10
25.12ppb
O3
0.19ppb
SO2
7.25ppb
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 08:00:00 on 2025-11-12.
The best air quality in Ionia City, Michigan was recorded at 04:00:00 on 2025-11-12.
The real-time air quality index in Ionia City, Michigan is 22, 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 4.459 μg/m3.
The current PM10 levels in Ionia City, Michigan are 18.038 μg/m3.
The current carbon monoxide (CO) level in Ionia City, Michigan is 0.183 ppm.
The current sulfur dioxide (SO2) levels in Ionia City, Michigan are 0.622 ppb.
The current ozone (O3) levels at Ionia City, Michigan is 23.603 ppm.
The current nitrogen dioxide (NO2) levels at Ionia City, Michigan is 4.041 ppb.
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