Worst air pollution Szentendre, today and tomorrow
Today (20 September): Air quality in Szentendre is moderate. AQI and PM1 are moderate; PM2.5, NO2, and HCHO are fair; PM10, O3, SO2, and CO are good. Pollution peaks around 8:00 AM (PM1: 45.8/100).
Tomorrow (21 September 2026): Air quality in Szentendre is good. AQI improves to good; PM2.5 decreases to good; NO2 decreases to good; HCHO decreases to good; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 12:00 AM (O3: 14.2/100). 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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Szentendre's air quality reflects its position on the Danube bend north of Budapest, with vehicle traffic and Budapest commuter routes contributing the main local sources through the year. Weather patterns typical of Pest shape how quickly pollutants clear, with conditions generally improving whenever winds pick up or rain moves through, while calmer, high-pressure spells tend to let local emissions accumulate for longer than elsewhere in the region.
Today - 20 September | Pollution peaks at 08:00
AQI:
Moderate
45.8/100
PM2.5 (fine particles):
Fair
36.8/100
PM10 (coarse particles):
Good
19.2/100
NO2 (nitrogen dioxide):
Fair
36.5/100
O3 (ozone):
Good
19.0/100
SO2 (sulfur dioxide):
Good
1.2/100
CO (carbon monoxide):
Good
0.9/100
HCHO (formaldehyde):
Fair
20.8/100
PM1 (ultrafine particles):
Moderate
45.8/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 00:00
AQI:
Good
14.2/100
PM2.5 (fine particles):
Good
10.9/100
PM10 (coarse particles):
Good
7.4/100
NO2 (nitrogen dioxide):
Good
7.1/100
O3 (ozone):
Good
14.2/100
SO2 (sulfur dioxide):
Good
0.9/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
4.2/100
PM1 (ultrafine particles):
Good
13.0/100
Pollen forecast in Szentendre
View pollen forecastFrequently Asked Questions
Is air quality bad in Szentendre right now?
On 20 September 2026, overall air quality in Szentendre is moderate. AQI is the main air quality indicator at 45.8/100. Pollution peaks around 8:00 AM (PM1: 45.8/100).
Will air quality be worse tomorrow in Szentendre?
On 21 September 2026, air quality conditions in Szentendre will be better than today, with AQI forecast at good at 14.2/100. Pollution peaks around 12:00 AM (O3: 14.2/100).
When is air pollution at its worst in Szentendre?
The clearest dips in Szentendre's air quality track oak and birch pollen peaks and periods of vehicle traffic and Budapest commuter routes; the rest of the year typically brings clearer, more consistent conditions for the Pest area, particularly once autumn winds set in and the local terrain ventilates more easily than during calmer stretches.
Are air quality levels in Szentendre 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: 20 September 2026 at 14:33 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.
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.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
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