Worst air pollution Vail, today and tomorrow

Today (16 July): Air quality in Vail is very poor. AQI and NO2 are very poor; PM10, O3, SO2, and PM1 are fair; PM2.5 is medium; CO and HCHO are good. Pollution peaks around 11:00 PM (NO2: 83.8/100).
Tomorrow (17 July 2026): Air quality in Vail is poor. AQI improves to poor; NO2 decreases to poor; all other pollutants stay as today. Pollution peaks around 12:00 AM (NO2: 78.6/100). 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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Air quality in Vail is driven mostly by mountain valley winds — air is generally clean, though winter inversions can trap local smoke. Day-to-day conditions in Vail can still vary with local weather, wind direction, and time of year. Visitors and residents alike tend to notice the clearest air outside the warmest summer weeks.

Today - 16 July | Pollution peaks at 23:00

AQI:

Very poor

83.8/100

PM2.5 (fine particles):

Medium

40.5/100

PM10 (coarse particles):

Fair

31.4/100

NO2 (nitrogen dioxide):

Very poor

83.8/100

O3 (ozone):

Fair

37.2/100

SO2 (sulfur dioxide):

Fair

31.7/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

4.1/100

PM1 (ultrafine particles):

Fair

27.1/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 00:00

AQI:

Poor

78.6/100

PM2.5 (fine particles):

Medium

41.6/100

PM10 (coarse particles):

Fair

28.4/100

NO2 (nitrogen dioxide):

Poor

78.6/100

O3 (ozone):

Fair

39.1/100

SO2 (sulfur dioxide):

Fair

26.8/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

3.8/100

PM1 (ultrafine particles):

Fair

29.4/100

Pollen forecast in Vail

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Sports venues in Vail

Frequently Asked Questions

Is air quality bad in Vail right now?

On 16 July 2026, overall air quality in Vail is very poor. AQI is the main air quality indicator at 83.8/100. Pollution peaks around 11:00 PM (NO2: 83.8/100).

Will air quality be worse tomorrow in Vail?

On 17 July 2026, air quality conditions in Vail will be better than today, with AQI forecast at poor at 78.6/100. Pollution peaks around 12:00 AM (NO2: 78.6/100).

When is air pollution at its worst in Vail?

Conditions in Vail vary noticeably across the seasons, as the shoulder seasons of spring and fall typically offer the most stable, cleanest conditions; by contrast, summer brings regional wildfire smoke, while winter brings its own inversion-driven pollution episodes. Higher-elevation, more exposed locations generally avoid the worst of the valley inversion episodes.

Are air quality levels in Vail 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