Stay updated with real-time air quality in Coldwater 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)
40
Good
Coldwater City, Michigan
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.27 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.85 μg/m³
0
55
155
255
425
605+
42.69 ppb
0
55
71
86
201
201+
0.71 ppb
0
36
76
186
605
1005+
0.87 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Coldwater City, Michigan
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AQI 40
Good
5.93μg/m³
PM2.5
25.85μg/m³
PM10
43.03ppb
O3
0.74ppb
SO2
0.95ppb
NO2
0.16ppm
CO
AQI 31
Good
4.92μg/m³
PM2.5
18.07μg/m³
PM10
32.98ppb
O3
0.96ppb
SO2
4.24ppb
NO2
0.18ppm
CO
AQI 31
Good
5.34μg/m³
PM2.5
22.85μg/m³
PM10
33.24ppb
O3
2.57ppb
SO2
5.38ppb
NO2
0.19ppm
CO
AQI 31
Good
4.97μg/m³
PM2.5
19.97μg/m³
PM10
33.36ppb
O3
1.14ppb
SO2
5.39ppb
NO2
0.19ppm
CO
AQI 32
Good
4.55μg/m³
PM2.5
20.04μg/m³
PM10
35.46ppb
O3
0.90ppb
SO2
4.97ppb
NO2
0.20ppm
CO
AQI 33
Good
6.43μg/m³
PM2.5
28.50μg/m³
PM10
33.21ppb
O3
1.06ppb
SO2
5.39ppb
NO2
0.18ppm
CO
Air quality data and pollutant measurements for Michigan, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Coldwater City, Michigan is updated every hour.
The worst air quality in Coldwater City, Michigan in the last 24 hours was observed at 07:00:00 on 2026-03-09.
In the last 24 hrs, the best air quality in Coldwater City, Michigan was observed at 11:00:00 on 2026-03-09.
The current air quality in Coldwater City, Michigan is 40, categorized as Good based on real-time data.
The most common pollutant in Coldwater City, Michigan is O3.
If the air quality in Coldwater City, Michigan is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Coldwater City, Michigan is 5.274 μg/m3.
The current PM10 concentration at Coldwater City, Michigan is 22.846 μg/m3.
The current carbon monoxide (CO) concentration at Coldwater City, Michigan is 0.158 ppm.
The current sulfur dioxide (SO2) concentration at Coldwater City, Michigan is 0.709 ppb.
The current ozone (O3) concentration at Coldwater City, Michigan is 42.693 ppm.
The current nitrogen dioxide (NO2) concentration at Coldwater City, Michigan is 0.866 ppb.
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