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)
45
Good
Coldwater City, Michigan
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.02 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.59 μg/m³
0
55
155
255
425
605+
48.66 ppb
0
55
71
86
201
201+
0.78 ppb
0
36
76
186
605
1005+
0.58 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Coldwater City, Michigan
Coldwater City, Michigan
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AQI 44
Good
6.60μg/m³
PM2.5
29.39μg/m³
PM10
48.10ppb
O3
0.85ppb
SO2
0.57ppb
NO2
0.15ppm
CO
AQI 44
Good
8.02μg/m³
PM2.5
40.19μg/m³
PM10
46.27ppb
O3
0.78ppb
SO2
6.49ppb
NO2
0.23ppm
CO
AQI 44
Good
7.97μg/m³
PM2.5
33.07μg/m³
PM10
41.59ppb
O3
0.92ppb
SO2
6.48ppb
NO2
0.24ppm
CO
AQI 44
Good
8.04μg/m³
PM2.5
33.30μg/m³
PM10
41.37ppb
O3
0.90ppb
SO2
6.71ppb
NO2
0.23ppm
CO
AQI 44
Good
8.05μg/m³
PM2.5
35.10μg/m³
PM10
42.20ppb
O3
0.85ppb
SO2
8.32ppb
NO2
0.23ppm
CO
AQI 38
Good
6.36μg/m³
PM2.5
30.48μg/m³
PM10
41.15ppb
O3
0.98ppb
SO2
4.91ppb
NO2
0.25ppm
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 01:00:00 on 2026-10-22.
In the last 24 hrs, the best air quality in Coldwater City, Michigan was observed at 11:00:00 on 2026-10-21.
The current air quality in Coldwater City, Michigan is 45, 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 6.021 μg/m3.
The current PM10 concentration at Coldwater City, Michigan is 26.589 μg/m3.
The current carbon monoxide (CO) concentration at Coldwater City, Michigan is 0.153 ppm.
The current sulfur dioxide (SO2) concentration at Coldwater City, Michigan is 0.783 ppb.
The current ozone (O3) concentration at Coldwater City, Michigan is 48.663 ppm.
The current nitrogen dioxide (NO2) concentration at Coldwater City, Michigan is 0.581 ppb.
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