Worst air pollution Winnemucca, today and tomorrow

Today (9 August): Air quality in Winnemucca is very poor. AQI and NO2 are very poor; PM10, O3, and SO2 are fair; PM2.5 and PM1 are medium; CO and HCHO are good. Pollution peaks around 8:00 PM (NO2: 100/100).
Tomorrow (10 August 2026): Air quality in Winnemucca is very poor. PM1 increases to poor; all other pollutants stay as today. Pollution peaks around 9:00 PM (NO2: 100/100). 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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In Winnemucca, dry Great Basin desert air is the main influence on air quality, and windy days can raise dust across the surrounding sagebrush flats. Overall, Winnemucca sees air quality that tracks fairly closely with typical conditions for its wider region. As with most US destinations, conditions here are best understood by season rather than by a single yearly average.

Today - 9 August | Pollution peaks at 20:00

AQI:

Very poor

100/100

PM2.5 (fine particles):

Medium

51.3/100

PM10 (coarse particles):

Fair

25.5/100

NO2 (nitrogen dioxide):

Very poor

100/100

O3 (ozone):

Fair

38.1/100

SO2 (sulfur dioxide):

Fair

29.1/100

CO (carbon monoxide):

Good

0.1/100

HCHO (formaldehyde):

Good

6.0/100

PM1 (ultrafine particles):

Medium

56.6/100

Levels show the poorest local air quality during the day

Tomorrow - 10 August | Pollution peaks at 21:00

AQI:

Very poor

100/100

PM2.5 (fine particles):

Medium

57.3/100

PM10 (coarse particles):

Fair

35.9/100

NO2 (nitrogen dioxide):

Very poor

100/100

O3 (ozone):

Fair

36.1/100

SO2 (sulfur dioxide):

Fair

27.2/100

CO (carbon monoxide):

Good

0.1/100

HCHO (formaldehyde):

Good

6.8/100

PM1 (ultrafine particles):

Poor

63.0/100

Pollen forecast in Winnemucca

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Air quality forecasts for neighbourhoods and landmarks in Winnemucca

Frequently Asked Questions

Is air quality bad in Winnemucca right now?

On 9 August 2026, overall air quality in Winnemucca is very poor. AQI is the main air quality indicator at 100/100. Pollution peaks around 8:00 PM (NO2: 100/100).

Will air quality be worse tomorrow in Winnemucca?

On 10 August 2026, air quality conditions in Winnemucca will be similar to today, with AQI forecast at very poor at 100/100. Pollution peaks around 9:00 PM (NO2: 100/100).

When is air pollution at its worst in Winnemucca?

Air quality across Winnemucca rises and falls with the seasons. In short, winter typically brings a welcome break from both heat-driven ozone and blowing dust, whereas spring dust storms and summer ozone together make March through September the toughest stretch. Sudden haboob-style dust storms can appear with little warning during the spring wind season.

Are air quality levels in Winnemucca 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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