Worst air pollution Čadca, today and tomorrow
Today (9 August): Air quality in Čadca is fair. PM2.5, O3, and PM1 are fair; AQI and NO2 are medium; PM10, SO2, CO, and HCHO are good. Pollution peaks around 5:00 AM (NO2: 48.7/100).
Tomorrow (10 August 2026): Air quality in Čadca is fair. O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 12:00 AM (NO2: 49.1/100). 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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vehicle traffic funnelled through the narrow valley, combined with Čadca's setting in the Kysuca river valley near the Polish border, largely defines the town's air quality profile within Žilina Region. Active weather typically improves conditions quickly, whereas extended calm, dry spells tend to let local sources accumulate.
Today - 9 August | Pollution peaks at 05:00
AQI:
Medium
48.7/100
PM2.5 (fine particles):
Fair
29.1/100
PM10 (coarse particles):
Good
8.3/100
NO2 (nitrogen dioxide):
Medium
48.7/100
O3 (ozone):
Fair
37.4/100
SO2 (sulfur dioxide):
Good
19.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.7/100
PM1 (ultrafine particles):
Fair
34.4/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 00:00
AQI:
Medium
49.1/100
PM2.5 (fine particles):
Fair
22.2/100
PM10 (coarse particles):
Good
6.2/100
NO2 (nitrogen dioxide):
Medium
49.1/100
O3 (ozone):
Medium
42.3/100
SO2 (sulfur dioxide):
Good
13.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
9.5/100
PM1 (ultrafine particles):
Fair
27.4/100
Pollen forecast in Čadca
View pollen forecastFrequently Asked Questions
Is air quality bad in Čadca right now?
On 9 August 2026, overall air quality in Čadca is fair. O3 is the main pollutant at 37.4/100. Pollution peaks around 5:00 AM (NO2: 48.7/100).
Will air quality be worse tomorrow in Čadca?
On 10 August 2026, air quality conditions in Čadca will be similar to today, with PM1 forecast at fair at 27.4/100. Pollution peaks around 12:00 AM (NO2: 49.1/100).
When is air pollution at its worst in Čadca?
Watch for reduced air quality in Čadca around birch and beech pollen peaks and during vehicle traffic funnelled through the narrow valley; conditions elsewhere in the Žilina Region calendar are usually noticeably better, especially once the weather turns more active.
Are air quality levels in Čadca 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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