Worst air pollution Sankt Pölten, today and tomorrow
Today (30 August): Air quality in Sankt Pölten is moderate. AQI and NO2 are moderate; O3 is fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 3:00 AM (NO2: 41.6/100).
Tomorrow (31 August 2026): Air quality in Sankt Pölten is fair. AQI improves to fair; NO2 decreases to fair; all other pollutants stay as today. Pollution peaks around 5:00 AM (NO2: 37.4/100). Airmine updates local air quality forecasts four times daily.
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Sankt Pölten's air quality reflects the Traisen river valley in the Lower Austrian Alpine foreland, with vehicle traffic on the A1 motorway and the surrounding manufacturing and government administration contributing local sources in Austria's federal state capital. The Alpine foothills to the south and the Viennese Woods create topographic variation, while the Alpine Föhn wind periodically delivers clean mountain air and the Danube basin's regional winter anticyclone can extend westward to affect the Traisen valley throughout the year.
Today - 30 August | Pollution peaks at 03:00
AQI:
Moderate
41.6/100
PM2.5 (fine particles):
Good
7.3/100
PM10 (coarse particles):
Good
2.4/100
NO2 (nitrogen dioxide):
Moderate
41.6/100
O3 (ozone):
Fair
31.3/100
SO2 (sulfur dioxide):
Good
3.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.1/100
PM1 (ultrafine particles):
Good
8.1/100
Levels show the poorest local air quality during the day
Tomorrow - 31 August | Pollution peaks at 05:00
AQI:
Fair
37.4/100
PM2.5 (fine particles):
Good
6.1/100
PM10 (coarse particles):
Good
1.9/100
NO2 (nitrogen dioxide):
Fair
37.4/100
O3 (ozone):
Fair
31.6/100
SO2 (sulfur dioxide):
Good
1.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.6/100
PM1 (ultrafine particles):
Good
6.9/100
Pollen forecast in Sankt Pölten
View pollen forecastAir quality forecasts for neighbourhoods and landmarks in Sankt Pölten
Frequently Asked Questions
Is air quality bad in Sankt Pölten right now?
On 30 August 2026, overall air quality in Sankt Pölten is moderate. AQI is the main air quality indicator at 41.6/100. Pollution peaks around 3:00 AM (NO2: 41.6/100).
Will air quality be worse tomorrow in Sankt Pölten?
On 31 August 2026, air quality conditions in Sankt Pölten will be better than today, with AQI forecast at fair at 37.4/100. Pollution peaks around 5:00 AM (NO2: 37.4/100).
When is air pollution at its worst in Sankt Pölten?
Winter mornings are the low point for air quality at Sankt Pölten, as vehicle traffic and surrounding farmland activity linger under a shallow valley inversion. Conditions pick up steadily from spring, and while summer heat can nudge ozone higher on occasion, overall dispersion stays good. Autumn tends to be calm and comparatively clean.
Are air quality levels in Sankt Pölten 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: 30 August 2026 at 08:36 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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