Stay updated with real-time air quality in Portage 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)
56
Moderate
Portage City, Michigan
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.96 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
52.68 μg/m³
0
55
155
255
425
605+
3.47 ppb
0
55
71
86
201
201+
0.53 ppb
0
36
76
186
605
1005+
5.70 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Portage City, Michigan
Portage City, Michigan
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AQI 54
Moderate
11.45μg/m³
PM2.5
50.62μg/m³
PM10
8.18ppb
O3
0.99ppb
SO2
4.99ppb
NO2
0.30ppm
CO
AQI 49
Good
8.67μg/m³
PM2.5
34.31μg/m³
PM10
6.52ppb
O3
1.07ppb
SO2
4.93ppb
NO2
0.29ppm
CO
AQI 56
Moderate
11.64μg/m³
PM2.5
51.49μg/m³
PM10
8.01ppb
O3
0.97ppb
SO2
5.00ppb
NO2
0.30ppm
CO
AQI 56
Moderate
11.62μg/m³
PM2.5
51.37μg/m³
PM10
8.01ppb
O3
0.96ppb
SO2
5.00ppb
NO2
0.30ppm
CO
AQI 56
Moderate
11.51μg/m³
PM2.5
50.37μg/m³
PM10
8.01ppb
O3
0.94ppb
SO2
5.01ppb
NO2
0.30ppm
CO
AQI 49
Good
8.85μg/m³
PM2.5
30.04μg/m³
PM10
6.32ppb
O3
1.09ppb
SO2
4.95ppb
NO2
0.29ppm
CO
The air quality data for Michigan, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Portage City, Michigan are available every hour.
Portage City, Michigan experienced its worst air quality at 07:00:00, 2026-09-07.
The best air quality in Portage City, Michigan was observed at 07:00:00 on 2026-09-06.
The air quality in Portage City, Michigan right now is Moderate, with an AQI of 56.
In Portage City, Michigan, PM2.5 is the most frequently found pollutant.
When air quality in Portage City, Michigan is compromised, staying indoors and wearing a mask can reduce health risks.
Portage City, Michigan currently has a PM2.5 concentration of 11.958 μg/m3.
Portage City, Michigan currently has a PM10 concentration of 52.676 μg/m3.
The current carbon monoxide (CO) level in Portage City, Michigan is 0.267 ppm.
The current sulfur dioxide (SO2) concentration in Portage City, Michigan is 0.532 ppb.
Portage City, Michigan currently has an ozone (O3) concentration of 3.474 ppm.
The current level of nitrogen dioxide (NO2) in Portage City, Michigan is 5.698 ppb.
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