Worst air pollution Vernal, today and tomorrow

Today (9 August): Air quality in Vernal is fair. PM2.5, O3, and PM1 are fair; AQI and NO2 are medium; PM10, SO2, CO, and HCHO are good. Pollution peaks around 10:00 PM (NO2: 50.3/100).
Tomorrow (10 August 2026): Air quality in Vernal is fair. PM2.5 decreases to medium; PM1 decreases to medium; all other pollutants stay as today. Pollution peaks around 10:00 PM (NO2: 56.6/100). 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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Vernal experiences air quality conditions shaped chiefly by dry high-desert air with oil-and-gas-basin inversions, and winter temperature inversions can trap haze in the basin. Most days bring generally favorable conditions here, with occasional exceptions tied to shifting weather patterns. None of this replaces checking the current forecast before heading outdoors in Vernal.

Today - 9 August | Pollution peaks at 22:00

AQI:

Medium

50.3/100

PM2.5 (fine particles):

Fair

31.7/100

PM10 (coarse particles):

Good

9.5/100

NO2 (nitrogen dioxide):

Medium

50.3/100

O3 (ozone):

Fair

34.2/100

SO2 (sulfur dioxide):

Good

8.1/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

6.7/100

PM1 (ultrafine particles):

Fair

36.9/100

Levels show the poorest local air quality during the day

Tomorrow - 10 August | Pollution peaks at 22:00

AQI:

Medium

56.6/100

PM2.5 (fine particles):

Medium

40.4/100

PM10 (coarse particles):

Good

13.0/100

NO2 (nitrogen dioxide):

Medium

56.6/100

O3 (ozone):

Fair

35.6/100

SO2 (sulfur dioxide):

Good

7.4/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

8.0/100

PM1 (ultrafine particles):

Medium

42.3/100

Pollen forecast in Vernal

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Frequently Asked Questions

Is air quality bad in Vernal right now?

On 9 August 2026, overall air quality in Vernal is fair. PM1 is the main pollutant at 36.9/100. Pollution peaks around 10:00 PM (NO2: 50.3/100).

Will air quality be worse tomorrow in Vernal?

On 10 August 2026, air quality conditions in Vernal will be similar to today, with O3 forecast at fair at 35.6/100. Pollution peaks around 10:00 PM (NO2: 56.6/100).

When is air pollution at its worst in Vernal?

Air quality in Vernal shifts across the year. Typically, early spring, before wildfire season starts, tends to offer some of the most reliably clean air, while 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 Vernal 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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