Worst air pollution Piešťany, today and tomorrow

Today (9 August): Air quality in Piešťany is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 PM (O3: 39.7/100).
Tomorrow (10 August 2026): Air quality in Piešťany is fair. AQI improves to medium; O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 5:00 PM (O3: 45.3/100). Airmine updates local air quality forecasts four times daily.

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Piešťany's setting on the Váh river plain in western Slovakia means vehicle traffic and thermal-spa tourist traffic drives most of the local variation in air quality across the year. The Trnava Region terrain nearby can trap emissions under stable conditions, though stronger winds or rainfall usually bring noticeable improvement, and residents typically notice the clearest air during the more unsettled, windier stretches of the year.

Today - 9 August | Pollution peaks at 17:00

AQI:

Fair

39.7/100

PM2.5 (fine particles):

Good

9.8/100

PM10 (coarse particles):

Good

2.9/100

NO2 (nitrogen dioxide):

Fair

21.7/100

O3 (ozone):

Fair

39.7/100

SO2 (sulfur dioxide):

Good

4.3/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

7.8/100

PM1 (ultrafine particles):

Good

11.7/100

Levels show the poorest local air quality during the day

Tomorrow - 10 August | Pollution peaks at 17:00

AQI:

Medium

45.3/100

PM2.5 (fine particles):

Good

8.4/100

PM10 (coarse particles):

Good

3.3/100

NO2 (nitrogen dioxide):

Fair

22.2/100

O3 (ozone):

Medium

45.3/100

SO2 (sulfur dioxide):

Good

2.8/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

8.8/100

PM1 (ultrafine particles):

Good

10.8/100

Pollen forecast in Piešťany

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Frequently Asked Questions

Is air quality bad in Piešťany right now?

On 9 August 2026, overall air quality in Piešťany is fair. AQI is the main air quality indicator at 39.7/100. Pollution peaks around 5:00 PM (O3: 39.7/100).

Will air quality be worse tomorrow in Piešťany?

On 10 August 2026, air quality conditions in Piešťany will be similar to today, with NO2 forecast at fair at 22.2/100. Pollution peaks around 5:00 PM (O3: 45.3/100).

When is air pollution at its worst in Piešťany?

In Piešťany, the combination of oak and hornbeam pollen peaks and vehicle traffic and thermal-spa tourist traffic accounts for most of the noticeable dips in air quality; Trnava Region's broader weather patterns tend to restore clearer conditions fairly quickly afterward.

Are air quality levels in Piešťany 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: 10 August 2026 at 02:34 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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