Stay updated with real-time air quality in Marquette 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)
49
Good
Marquette City, Michigan
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.59 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
37.98 μg/m³
0
55
155
255
425
605+
17.69 ppb
0
55
71
86
201
201+
0.53 ppb
0
36
76
186
605
1005+
10.68 ppb
0
54
101
361
1250
2050+
0.37 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Marquette City, Michigan
Marquette City, Michigan
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AQI 49
Good
8.59μg/m³
PM2.5
37.98μg/m³
PM10
17.69ppb
O3
0.53ppb
SO2
10.68ppb
NO2
0.37ppm
CO
AQI 44
Good
8.44μg/m³
PM2.5
36.91μg/m³
PM10
19.45ppb
O3
0.17ppb
SO2
3.56ppb
NO2
0.20ppm
CO
AQI 52
Moderate
9.52μg/m³
PM2.5
42.51μg/m³
PM10
17.46ppb
O3
0.28ppb
SO2
5.20ppb
NO2
0.21ppm
CO
AQI 44
Good
8.05μg/m³
PM2.5
27.83μg/m³
PM10
19.16ppb
O3
0.60ppb
SO2
23.66ppb
NO2
0.26ppm
CO
AQI 49
Good
8.93μg/m³
PM2.5
39.31μg/m³
PM10
19.82ppb
O3
0.63ppb
SO2
21.76ppb
NO2
0.26ppm
CO
AQI 49
Good
8.63μg/m³
PM2.5
38.11μg/m³
PM10
19.82ppb
O3
0.62ppb
SO2
21.77ppb
NO2
0.26ppm
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 Marquette City, Michigan are available every hour.
Marquette City, Michigan experienced its worst air quality at 02:00:00, 2025-12-16.
The best air quality in Marquette City, Michigan was observed at 03:00:00 on 2025-12-15.
The air quality in Marquette City, Michigan right now is Good, with an AQI of 49.
In Marquette City, Michigan, PM2.5 is the most frequently found pollutant.
When air quality in Marquette City, Michigan is compromised, staying indoors and wearing a mask can reduce health risks.
Marquette City, Michigan currently has a PM2.5 concentration of 8.591 μg/m3.
Marquette City, Michigan currently has a PM10 concentration of 37.978 μg/m3.
The current carbon monoxide (CO) level in Marquette City, Michigan is 0.367 ppm.
The current sulfur dioxide (SO2) concentration in Marquette City, Michigan is 0.527 ppb.
Marquette City, Michigan currently has an ozone (O3) concentration of 17.693 ppm.
The current level of nitrogen dioxide (NO2) in Marquette City, Michigan is 10.682 ppb.
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