Worst air pollution Zvolen, today and tomorrow

Today (16 July): Air quality in Zvolen is fair. NO2 is fair; AQI and O3 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 PM (O3: 41.3/100).
Tomorrow (17 July 2026): Air quality in Zvolen is fair. All pollutants stay as today. Pollution peaks around 6:00 PM (O3: 49.8/100). 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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Zvolen, where the Hron and Slatina rivers meet, sees vehicle traffic and light industry in the river valley as its principal air quality driver. The Banská Bystrica Region terrain shapes local dispersion, and while breezy, unsettled weather usually brings swift improvement, prolonged calm periods can let pollutant levels climb noticeably.

Today - 16 July | Pollution peaks at 16:00

AQI:

Medium

41.3/100

PM2.5 (fine particles):

Good

15.9/100

PM10 (coarse particles):

Good

6.4/100

NO2 (nitrogen dioxide):

Fair

25.4/100

O3 (ozone):

Medium

41.3/100

SO2 (sulfur dioxide):

Good

3.8/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

14.1/100

PM1 (ultrafine particles):

Good

19.3/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 18:00

AQI:

Medium

49.8/100

PM2.5 (fine particles):

Good

8.2/100

PM10 (coarse particles):

Good

2.9/100

NO2 (nitrogen dioxide):

Fair

23.8/100

O3 (ozone):

Medium

49.8/100

SO2 (sulfur dioxide):

Good

3.5/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

15.2/100

PM1 (ultrafine particles):

Good

10.8/100

Pollen forecast in Zvolen

View pollen forecast

Frequently Asked Questions

Is air quality bad in Zvolen right now?

On 16 July 2026, overall air quality in Zvolen is fair. NO2 is the main pollutant at 25.4/100. Pollution peaks around 4:00 PM (O3: 41.3/100).

Will air quality be worse tomorrow in Zvolen?

On 17 July 2026, air quality conditions in Zvolen will be similar to today, with NO2 forecast at fair at 23.8/100. Pollution peaks around 6:00 PM (O3: 49.8/100).

When is air pollution at its worst in Zvolen?

birch and oak pollen peaks and periods of vehicle traffic and light industry in the river valley are the two main triggers for reduced air quality in Zvolen; most other times, the Banská Bystrica Region area sees comparatively steady, breathable conditions.

Are air quality levels in Zvolen 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.

Want to see air quality forecasts for other cities in Slovakia?

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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