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)
27
Good
Marquette City, Michigan
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.99 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.98 μg/m³
0
55
155
255
425
605+
29.35 ppb
0
55
71
86
201
201+
0.45 ppb
0
36
76
186
605
1005+
2.52 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Marquette City, Michigan
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AQI 17
Good
2.29μg/m³
PM2.5
9.96μg/m³
PM10
17.54ppb
O3
0.33ppb
SO2
3.22ppb
NO2
0.27ppm
CO
AQI 23
Good
1.05μg/m³
PM2.5
4.00μg/m³
PM10
24.53ppb
O3
0.05ppb
SO2
0.28ppb
NO2
0.16ppm
CO
AQI 22
Good
0.69μg/m³
PM2.5
2.18μg/m³
PM10
23.77ppb
O3
0.06ppb
SO2
0.35ppb
NO2
0.15ppm
CO
AQI 19
Good
2.63μg/m³
PM2.5
10.73μg/m³
PM10
20.91ppb
O3
0.19ppb
SO2
3.65ppb
NO2
0.26ppm
CO
AQI 20
Good
2.68μg/m³
PM2.5
10.88μg/m³
PM10
22.00ppb
O3
0.19ppb
SO2
3.80ppb
NO2
0.26ppm
CO
AQI 20
Good
2.70μg/m³
PM2.5
10.99μg/m³
PM10
21.97ppb
O3
0.19ppb
SO2
3.73ppb
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 10:00:00, 2026-03-09.
The best air quality in Marquette City, Michigan was observed at 03:00:00 on 2026-03-10.
The air quality in Marquette City, Michigan right now is Good, with an AQI of 17.
In Marquette City, Michigan, O3 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 2.292 μg/m3.
Marquette City, Michigan currently has a PM10 concentration of 9.963 μg/m3.
The current carbon monoxide (CO) level in Marquette City, Michigan is 0.267 ppm.
The current sulfur dioxide (SO2) concentration in Marquette City, Michigan is 0.325 ppb.
Marquette City, Michigan currently has an ozone (O3) concentration of 17.539 ppm.
The current level of nitrogen dioxide (NO2) in Marquette City, Michigan is 3.219 ppb.
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