Stay updated with real-time air quality in Howell 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)
25
Good
Howell City, Michigan
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.10 μg/m³
0
55
155
255
425
605+
27.20 ppb
0
55
71
86
201
201+
1.00 ppb
0
36
76
186
605
1005+
5.15 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Howell City, Michigan
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AQI 25
Good
4.11μg/m³
PM2.5
19.10μg/m³
PM10
27.20ppb
O3
1.00ppb
SO2
5.15ppb
NO2
0.17ppm
CO
AQI 23
Good
4.23μg/m³
PM2.5
15.43μg/m³
PM10
25.11ppb
O3
1.02ppb
SO2
4.61ppb
NO2
0.17ppm
CO
AQI 26
Good
4.11μg/m³
PM2.5
19.06μg/m³
PM10
28.45ppb
O3
0.99ppb
SO2
5.21ppb
NO2
0.17ppm
CO
AQI 26
Good
4.11μg/m³
PM2.5
19.06μg/m³
PM10
28.45ppb
O3
0.99ppb
SO2
5.21ppb
NO2
0.17ppm
CO
AQI 23
Good
4.11μg/m³
PM2.5
18.51μg/m³
PM10
25.49ppb
O3
0.79ppb
SO2
8.84ppb
NO2
0.17ppm
CO
AQI 27
Good
4.13μg/m³
PM2.5
18.56μg/m³
PM10
28.92ppb
O3
0.78ppb
SO2
8.82ppb
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 Howell City, Michigan is updated every hour for accuracy.
In the past 24 hours, the air quality in Howell City, Michigan was at its worst at 11:00:00 on 2026-03-06.
In the last 24 hours, the best air quality in Howell City, Michigan was observed at 08:00:00 on 2026-03-07.
As of now, the AQI in Howell City, Michigan is 25, indicating Good conditions.
Howell City, Michigan air has the highest levels of O3.
Poor air quality in Howell City, Michigan means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Howell City, Michigan are currently 4.107 μg/m3.
The PM10 concentration in Howell City, Michigan is 19.097 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Howell City, Michigan is 0.169 ppm.
Currently, Howell City, Michigan has a sulfur dioxide (SO2) concentration of 0.996 ppb.
The current ozone (O3) level in Howell City, Michigan at the moment is 27.204 ppm.
Nitrogen dioxide (NO2) level in Howell City, Michigan at the moment is 5.147 ppb.
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