Worst air pollution LoDo - Denver, today and tomorrow

Today (16 July): Air quality in LoDo is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (O3: 37.2/100).
Tomorrow (17 July 2026): Air quality in LoDo is fair. All pollutants stay as today. Pollution peaks around 11:00 AM (O3: 39.1/100). 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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Denver's LoDo air quality reflects the Lower Downtown historic district, with vehicle traffic on the surrounding Union Station commuter hub and the Larimer Street commercial corridor generating elevated NOₓ. The Rocky Mountain westerlies provide clean background air on most days, while the Front Range temperature inversion problem creates extended winter episodes and LoDo's dense transit hub and entertainment character maintains moderate to elevated Denver metropolitan readings throughout the year.

Today - 16 July | Pollution peaks at 12:00

AQI:

Fair

37.2/100

PM2.5 (fine particles):

Good

14.4/100

PM10 (coarse particles):

Good

11.1/100

NO2 (nitrogen dioxide):

Good

13.4/100

O3 (ozone):

Fair

37.2/100

SO2 (sulfur dioxide):

Good

2.1/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

4.1/100

PM1 (ultrafine particles):

Good

9.6/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 11:00

AQI:

Fair

39.1/100

PM2.5 (fine particles):

Good

16.0/100

PM10 (coarse particles):

Good

9.8/100

NO2 (nitrogen dioxide):

Good

11.9/100

O3 (ozone):

Fair

39.1/100

SO2 (sulfur dioxide):

Good

1.8/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

3.8/100

PM1 (ultrafine particles):

Good

10.6/100

Other Landmarks in Denver

Sports venues in Denver

Frequently Asked Questions

Is air quality bad in LoDo right now?

On 16 July 2026, overall air quality in LoDo is fair. AQI is the main air quality indicator at 37.2/100. Pollution peaks around 12:00 PM (O3: 37.2/100).

Will air quality be worse tomorrow in LoDo?

On 17 July 2026, air quality conditions in LoDo will be similar to today, with AQI forecast at fair at 39.1/100. Pollution peaks around 11:00 AM (O3: 39.1/100).

When is air pollution at its worst in LoDo?

This neighborhood in Denver sees air quality shift through the year. Typically, spring and autumn generally bring the cleanest, most stable air, while 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 LoDo 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