Worst air pollution Marmalade District - Salt Lake City, today and tomorrow
Today (9 August): Air quality in Marmalade District is fair. AQI, NO2, O3, and PM1 are fair; PM2.5, PM10, SO2, CO, and HCHO are good. Pollution peaks around 9:00 AM (O3: 38.1/100).
Tomorrow (10 August 2026): Air quality in Marmalade District is fair. PM2.5 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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Salt Lake City's Marmalade District air quality reflects the historic Capitol Hill neighbourhood, with vehicle traffic on the surrounding Capitol Hill arterials contributing local sources. The elevated Capitol Hill position provides marginally better dispersal than the valley floor during winter inversions, while the historic neighbourhood's residential character generally maintains moderate to above-average Salt Lake City readings due to the valley's winter inversion challenges throughout the year.
Today - 9 August | Pollution peaks at 09:00
AQI:
Fair
38.1/100
PM2.5 (fine particles):
Good
19.9/100
PM10 (coarse particles):
Good
5.6/100
NO2 (nitrogen dioxide):
Fair
27.2/100
O3 (ozone):
Fair
38.1/100
SO2 (sulfur dioxide):
Good
2.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.9/100
PM1 (ultrafine particles):
Fair
24.8/100
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):
Fair
25.1/100
PM10 (coarse particles):
Good
8.5/100
NO2 (nitrogen dioxide):
Fair
24.9/100
O3 (ozone):
Fair
36.1/100
SO2 (sulfur dioxide):
Good
2.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.8/100
PM1 (ultrafine particles):
Fair
29.6/100
Other Landmarks in Salt Lake City
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Frequently Asked Questions
Is air quality bad in Marmalade District right now?
On 9 August 2026, overall air quality in Marmalade District 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 Marmalade District?
On 10 August 2026, air quality conditions in Marmalade District 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 Marmalade District?
Marmalade District's air quality follows a clear seasonal pattern — a brief window in autumn tends to bring the year's best air, before winter inversions set in, whereas wildfire smoke drifting in from across the region is the main summer concern, while winter inversions can trap pollution locally. Valley and basin locations are especially prone to these winter inversion episodes compared to more exposed, higher terrain.
Are air quality levels in Marmalade District 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: 10 August 2026 at 02:34 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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