Worst air pollution Steamboat Springs, today and tomorrow

Today (9 August): Air quality in Steamboat Springs is very poor. AQI and NO2 are very poor; O3 is fair; PM2.5 and PM1 are medium; PM10, SO2, CO, and HCHO are good. Pollution peaks around 10:00 PM (NO2: 83.5/100).
Tomorrow (10 August 2026): Air quality in Steamboat Springs is very poor. PM10 increases to fair; all other pollutants stay as today. Pollution peaks around 10:00 PM (NO2: 94.3/100). 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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Steamboat Springs's air quality is shaped largely by mountain valley air; generally clean air with occasional wildfire-smoke episodes in late summer. These factors combine to give Steamboat Springs a fairly typical seasonal air quality pattern for this part of the country. Checking current readings is still the best way to plan outdoor activity around Steamboat Springs.

Today - 9 August | Pollution peaks at 22:00

AQI:

Very poor

83.5/100

PM2.5 (fine particles):

Medium

44.5/100

PM10 (coarse particles):

Good

18.3/100

NO2 (nitrogen dioxide):

Very poor

83.5/100

O3 (ozone):

Fair

34.2/100

SO2 (sulfur dioxide):

Good

19.9/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

6.7/100

PM1 (ultrafine particles):

Medium

47.4/100

Levels show the poorest local air quality during the day

Tomorrow - 10 August | Pollution peaks at 22:00

AQI:

Very poor

94.3/100

PM2.5 (fine particles):

Medium

49.1/100

PM10 (coarse particles):

Fair

23.8/100

NO2 (nitrogen dioxide):

Very poor

94.3/100

O3 (ozone):

Fair

35.6/100

SO2 (sulfur dioxide):

Good

18.4/100

CO (carbon monoxide):

Good

0.1/100

HCHO (formaldehyde):

Good

8.0/100

PM1 (ultrafine particles):

Medium

53.6/100

Pollen forecast in Steamboat Springs

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Frequently Asked Questions

Is air quality bad in Steamboat Springs right now?

On 9 August 2026, overall air quality in Steamboat Springs is very poor. AQI is the main air quality indicator at 83.5/100. Pollution peaks around 10:00 PM (NO2: 83.5/100).

Will air quality be worse tomorrow in Steamboat Springs?

On 10 August 2026, air quality conditions in Steamboat Springs will be similar to today, with AQI forecast at very poor at 94.3/100. Pollution peaks around 10:00 PM (NO2: 94.3/100).

When is air pollution at its worst in Steamboat Springs?

Steamboat Springs's air quality follows a clear seasonal pattern — the shoulder seasons of spring and fall typically offer the most stable, cleanest conditions, 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 Steamboat Springs 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: 9 August 2026 at 20:27 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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