Worst air pollution Karlovy Vary, today and tomorrow
Today (9 August): Air quality in Karlovy Vary is fair. NO2 is fair; AQI and O3 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 3:00 PM (O3: 42.9/100).
Tomorrow (10 August 2026): Air quality in Karlovy Vary is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 10:00 AM (O3: 39.8/100). 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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Local air quality in Karlovy Vary tracks closely with vehicle traffic and tourism trapped by the valley, given its position in a valley of the Ore Mountains spa region in Karlovy Vary Region. Wind and precipitation are the main levers for clearing the air here, with the stillest conditions generally producing the town's weakest readings.
Today - 9 August | Pollution peaks at 15:00
AQI:
Medium
42.9/100
PM2.5 (fine particles):
Good
6.8/100
PM10 (coarse particles):
Good
2.2/100
NO2 (nitrogen dioxide):
Fair
20.3/100
O3 (ozone):
Medium
42.9/100
SO2 (sulfur dioxide):
Good
6.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.4/100
PM1 (ultrafine particles):
Good
8.4/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 10:00
AQI:
Fair
39.8/100
PM2.5 (fine particles):
Good
11.3/100
PM10 (coarse particles):
Good
6.3/100
NO2 (nitrogen dioxide):
Fair
22.6/100
O3 (ozone):
Fair
39.8/100
SO2 (sulfur dioxide):
Good
9.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.2/100
PM1 (ultrafine particles):
Good
12.6/100
Pollen forecast in Karlovy Vary
View pollen forecastFrequently Asked Questions
Is air quality bad in Karlovy Vary right now?
On 9 August 2026, overall air quality in Karlovy Vary is fair. NO2 is the main pollutant at 20.3/100. Pollution peaks around 3:00 PM (O3: 42.9/100).
Will air quality be worse tomorrow in Karlovy Vary?
On 10 August 2026, air quality conditions in Karlovy Vary will be similar to today, with AQI forecast at fair at 39.8/100. Pollution peaks around 10:00 AM (O3: 39.8/100).
When is air pollution at its worst in Karlovy Vary?
The main drivers of poor air days in Karlovy Vary are birch and beech pollen and vehicle traffic and tourism trapped by the valley; once these ease, Karlovy Vary Region's typical weather patterns generally bring a return to clearer conditions.
Are air quality levels in Karlovy Vary 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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