Worst air pollution Žilina, today and tomorrow
Today (9 August): Air quality in Žilina is fair. AQI, PM2.5, NO2, O3, and PM1 are fair; PM10, SO2, CO, and HCHO are good. Pollution peaks around 5:00 PM (O3: 36.1/100).
Tomorrow (10 August 2026): Air quality in Žilina is fair. AQI improves to medium; PM2.5 decreases to good; O3 decreases to medium; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 5:00 PM (O3: 41.8/100). Airmine updates local air quality forecasts four times daily.
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Žilina's air quality reflects the Váh river valley at the western Carpathian foothills in northern Slovakia, with vehicle traffic on the D1 motorway and the Kia automotive manufacturing plant generating industrial and vehicle testing emissions alongside residential wood burning. The surrounding Malá Fatra and Beskydy mountain ridgelines create topographic enclosure, while winter temperature inversions in the Váh valley can concentrate heating and automotive plant emissions significantly.
Today - 9 August | Pollution peaks at 17:00
AQI:
Fair
36.1/100
PM2.5 (fine particles):
Fair
21.8/100
PM10 (coarse particles):
Good
6.1/100
NO2 (nitrogen dioxide):
Fair
30.5/100
O3 (ozone):
Fair
36.1/100
SO2 (sulfur dioxide):
Good
10.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
11.2/100
PM1 (ultrafine particles):
Fair
26.0/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 17:00
AQI:
Medium
41.8/100
PM2.5 (fine particles):
Good
12.4/100
PM10 (coarse particles):
Good
4.2/100
NO2 (nitrogen dioxide):
Fair
27.4/100
O3 (ozone):
Medium
41.8/100
SO2 (sulfur dioxide):
Good
7.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
13.5/100
PM1 (ultrafine particles):
Good
16.2/100
Pollen forecast in Žilina
View pollen forecastFrequently Asked Questions
Is air quality bad in Žilina right now?
On 9 August 2026, overall air quality in Žilina is fair. AQI is the main air quality indicator at 36.1/100. Pollution peaks around 5:00 PM (O3: 36.1/100).
Will air quality be worse tomorrow in Žilina?
On 10 August 2026, air quality conditions in Žilina will be similar to today, with NO2 forecast at fair at 27.4/100. Pollution peaks around 5:00 PM (O3: 41.8/100).
When is air pollution at its worst in Žilina?
Air quality dips in Žilina mostly track local combined tree and grass pollen peaks and periods of vehicle traffic on the D1 motorway and the Kia automotive manufacturing plant; conditions usually ease once the wet season or windier weather returns.
Are air quality levels in Žilina 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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