Worst air pollution Bay City, today and tomorrow
Today (16 July): Air quality in Bay City is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 AM (O3: 32.0/100).
Tomorrow (17 July 2026): Air quality in Bay City is fair. All pollutants stay as today. Pollution peaks around 8:00 AM (O3: 29.1/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Bay City's air quality reflects the Saginaw Bay position on Lake Huron's western shoreline in Michigan, with vehicle emissions from I-75 and the surrounding manufacturing and energy sector contributing local sources. Lake Huron's consistent northerly and westerly lake winds provide maritime ventilation, while lake-effect weather events provide effective atmospheric washing and the broader Great Lakes industrial airshed contributes background industrial PM2.5 from the surrounding Michigan and Ontario manufacturing corridor.
Today - 16 July | Pollution peaks at 10:00
AQI:
Fair
32.0/100
PM2.5 (fine particles):
Good
10.7/100
PM10 (coarse particles):
Good
6.9/100
NO2 (nitrogen dioxide):
Good
17.4/100
O3 (ozone):
Fair
32.0/100
SO2 (sulfur dioxide):
Good
2.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.3/100
PM1 (ultrafine particles):
Good
7.3/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 08:00
AQI:
Fair
29.1/100
PM2.5 (fine particles):
Good
8.2/100
PM10 (coarse particles):
Good
3.3/100
NO2 (nitrogen dioxide):
Good
17.8/100
O3 (ozone):
Fair
29.1/100
SO2 (sulfur dioxide):
Good
2.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.0/100
PM1 (ultrafine particles):
Good
5.9/100
Pollen forecast in Bay City
View pollen forecastFrequently Asked Questions
Is air quality bad in Bay City right now?
On 16 July 2026, overall air quality in Bay City is fair. AQI is the main air quality indicator at 32.0/100. Pollution peaks around 10:00 AM (O3: 32.0/100).
Will air quality be worse tomorrow in Bay City?
On 17 July 2026, air quality conditions in Bay City will be similar to today, with AQI forecast at fair at 29.1/100. Pollution peaks around 8:00 AM (O3: 29.1/100).
When is air pollution at its worst in Bay City?
Bay City experiences a distinct seasonal swing in air quality: the mildest, cleanest weather usually falls in spring and autumn, but prolonged summer heat waves are when air quality most often dips into unhealthy territory. Calm, cold winter spells can occasionally allow local pollution to build up before the next weather system clears it.
Are air quality levels in Bay City based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app