Worst air pollution Gateway District - Salt Lake City, today and tomorrow
Today (9 August): Air quality in Gateway District is fair. AQI, PM2.5, NO2, O3, and PM1 are fair; PM10, SO2, CO, and HCHO are good. Pollution peaks around 9:00 AM (O3: 38.1/100).
Tomorrow (10 August 2026): Air quality in Gateway District is fair. All 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 Gateway District air quality reflects the downtown mixed commercial and residential development adjacent to the Jordan River Parkway, with vehicle traffic on 400 West and the surrounding commercial character contributing local sources. The Salt Lake Valley's winter inversion problem affects all valley communities, while the Jordan River corridor provides limited ventilation and the district generally maintains moderate Salt Lake City metropolitan readings throughout most of the year.
Today - 9 August | Pollution peaks at 09:00
AQI:
Fair
38.1/100
PM2.5 (fine particles):
Fair
23.2/100
PM10 (coarse particles):
Good
6.7/100
NO2 (nitrogen dioxide):
Fair
37.6/100
O3 (ozone):
Fair
38.1/100
SO2 (sulfur dioxide):
Good
4.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.9/100
PM1 (ultrafine particles):
Fair
28.4/100
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
29.4/100
PM10 (coarse particles):
Good
10.1/100
NO2 (nitrogen dioxide):
Fair
34.2/100
O3 (ozone):
Fair
36.1/100
SO2 (sulfur dioxide):
Good
3.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.8/100
PM1 (ultrafine particles):
Fair
34.1/100
Other Landmarks in Salt Lake City
Sports venues in Salt Lake City
Frequently Asked Questions
Is air quality bad in Gateway District right now?
On 9 August 2026, overall air quality in Gateway 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 Gateway District?
On 10 August 2026, air quality conditions in Gateway 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 Gateway District?
Conditions at Gateway District vary noticeably across the seasons. In short, spring and autumn generally bring the cleanest, most stable air, whereas summer brings regional wildfire smoke, while winter brings its own inversion-driven pollution episodes. Valley and basin locations are especially prone to these winter inversion episodes compared to more exposed, higher terrain.
Are air quality levels in Gateway 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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