Worst air pollution Millcreek, today and tomorrow
Today (9 August): Air quality in Millcreek is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 9:00 AM (O3: 38.1/100).
Tomorrow (10 August 2026): Air quality in Millcreek is fair. PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 9:00 AM (O3: 36.1/100). Airmine updates local air quality forecasts four times daily.
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Millcreek's air quality faces Utah's severe winter inversion problem, with the Salt Lake Valley's enclosed Wasatch Front basin trapping vehicle emissions under persistent cold-air pools between the Wasatch Range and the Great Salt Lake. Vehicle emissions from I-215 and the surrounding urban Salt Lake County residential character are the primary local sources, while summer air quality is generally excellent creating the dramatic seasonal contrast characteristic of all of Utah's enclosed mountain valley communities.
Today - 9 August | Pollution peaks at 09:00
AQI:
Fair
38.1/100
PM2.5 (fine particles):
Good
14.2/100
PM10 (coarse particles):
Good
4.0/100
NO2 (nitrogen dioxide):
Good
8.5/100
O3 (ozone):
Fair
38.1/100
SO2 (sulfur dioxide):
Good
0.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.9/100
PM1 (ultrafine particles):
Good
19.1/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 09:00
AQI:
Fair
36.1/100
PM2.5 (fine particles):
Good
18.4/100
PM10 (coarse particles):
Good
6.0/100
NO2 (nitrogen dioxide):
Good
7.6/100
O3 (ozone):
Fair
36.1/100
SO2 (sulfur dioxide):
Good
0.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.8/100
PM1 (ultrafine particles):
Fair
22.8/100
Pollen forecast in Millcreek
View pollen forecastFrequently Asked Questions
Is air quality bad in Millcreek right now?
On 9 August 2026, overall air quality in Millcreek is fair. AQI is the main air quality indicator at 38.1/100. Pollution peaks around 9:00 AM (O3: 38.1/100).
Will air quality be worse tomorrow in Millcreek?
On 10 August 2026, air quality conditions in Millcreek will be similar to today, with AQI forecast at fair at 36.1/100. Pollution peaks around 9:00 AM (O3: 36.1/100).
When is air pollution at its worst in Millcreek?
Like most US cities, Millcreek sees air quality shift from season to season, as autumn is often the cleanest stretch, between wildfire season and the onset of winter inversions; by contrast, valley and basin locations can see pollution trapped under cold air for days during winter inversions. Valley and basin locations are especially prone to these winter inversion episodes compared to more exposed, higher terrain.
Are air quality levels in Millcreek 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.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 9 August 2026 at 20:27 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.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
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