Worst air pollution Temple Square - Salt Lake City, today and tomorrow

Today (16 July): Air quality in Temple Square is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 AM (O3: 37.6/100).
Tomorrow (17 July 2026): Air quality in Temple Square is fair. AQI improves to medium; O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 10:00 AM (O3: 40.4/100). Airmine updates local air quality forecasts four times daily.

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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

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Salt Lake City's citywide air quality pattern extends to Temple Square, a landscaped 10-acre plaza with formal gardens downtown, without a notably different local signature. Any local variation tends to be minor compared with the seasonal swings seen across the wider city.

Today - 16 July | Pollution peaks at 10:00

AQI:

Fair

37.6/100

PM2.5 (fine particles):

Good

15.7/100

PM10 (coarse particles):

Good

15.9/100

NO2 (nitrogen dioxide):

Fair

21.4/100

O3 (ozone):

Fair

37.6/100

SO2 (sulfur dioxide):

Good

3.7/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

5.7/100

PM1 (ultrafine particles):

Good

8.6/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 10:00

AQI:

Medium

40.4/100

PM2.5 (fine particles):

Good

10.6/100

PM10 (coarse particles):

Good

5.2/100

NO2 (nitrogen dioxide):

Fair

30.2/100

O3 (ozone):

Medium

40.4/100

SO2 (sulfur dioxide):

Good

3.3/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

6.3/100

PM1 (ultrafine particles):

Good

6.8/100

Other Landmarks in Salt Lake City

Sports venues in Salt Lake City

Frequently Asked Questions

Is air quality bad in Temple Square right now?

On 16 July 2026, overall air quality in Temple Square is fair. AQI is the main air quality indicator at 37.6/100. Pollution peaks around 10:00 AM (O3: 37.6/100).

Will air quality be worse tomorrow in Temple Square?

On 17 July 2026, air quality conditions in Temple Square will be similar to today, with NO2 forecast at fair at 30.2/100. Pollution peaks around 10:00 AM (O3: 40.4/100).

When is air pollution at its worst in Temple Square?

Air quality around Temple Square changes with the seasons: autumn is often the cleanest stretch, between wildfire season and the onset of winter inversions, but 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 Temple Square 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.

Want to see air quality forecasts for other cities in United States?

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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