Stay updated with real-time air quality in Alpena 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)
21
Good
Alpena City, Michigan
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
0.68 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
2.08 μg/m³
0
55
155
255
425
605+
23.41 ppb
0
55
71
86
201
201+
0.17 ppb
0
36
76
186
605
1005+
0.99 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Alpena City, Michigan
Alpena City, Michigan
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AQI 21
Good
0.68μg/m³
PM2.5
2.08μg/m³
PM10
23.41ppb
O3
0.17ppb
SO2
0.99ppb
NO2
0.15ppm
CO
AQI 24
Good
1.34μg/m³
PM2.5
5.53μg/m³
PM10
25.52ppb
O3
0.10ppb
SO2
2.26ppb
NO2
0.17ppm
CO
AQI 44
Good
8.39μg/m³
PM2.5
36.92μg/m³
PM10
26.71ppb
O3
0.82ppb
SO2
5.17ppb
NO2
0.21ppm
CO
AQI 49
Good
8.77μg/m³
PM2.5
36.63μg/m³
PM10
26.32ppb
O3
0.82ppb
SO2
6.79ppb
NO2
0.21ppm
CO
AQI 44
Good
8.39μg/m³
PM2.5
36.92μg/m³
PM10
26.71ppb
O3
0.82ppb
SO2
5.17ppb
NO2
0.21ppm
CO
AQI 16
Good
2.90μg/m³
PM2.5
13.88μg/m³
PM10
16.88ppb
O3
0.27ppb
SO2
2.64ppb
NO2
0.17ppm
CO
Air quality and pollutant data for Michigan, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Alpena City, Michigan is updated every hour for accuracy.
In the past 24 hours, the air quality in Alpena City, Michigan was at its worst at 08:00:00 on 2025-12-06.
In the last 24 hours, the best air quality in Alpena City, Michigan was observed at 05:00:00 on 2025-12-07.
As of now, the AQI in Alpena City, Michigan is 21, indicating Good conditions.
Alpena City, Michigan air has the highest levels of O3.
Poor air quality in Alpena City, Michigan means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Alpena City, Michigan are currently 0.681 μg/m3.
The PM10 concentration in Alpena City, Michigan is 2.075 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Alpena City, Michigan is 0.149 ppm.
Currently, Alpena City, Michigan has a sulfur dioxide (SO2) concentration of 0.169 ppb.
The current ozone (O3) level in Alpena City, Michigan at the moment is 23.411 ppm.
Nitrogen dioxide (NO2) level in Alpena City, Michigan at the moment is 0.988 ppb.
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