Worst air pollution Zwettl, today and tomorrow
Today (16 July): Air quality in Zwettl is fair. NO2 is fair; AQI and O3 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 PM (O3: 44.4/100).
Tomorrow (17 July 2026): Air quality in Zwettl is fair. All pollutants stay as today. Pollution peaks around 11:00 AM (O3: 45.9/100). 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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Zwettl's air quality benefits from the surrounding Waldviertel forest plateau, one of Lower Austria's least industrialised regions. Vehicle traffic on regional roads is the primary source, with generally excellent background conditions.
Today - 16 July | Pollution peaks at 16:00
AQI:
Medium
44.4/100
PM2.5 (fine particles):
Good
9.8/100
PM10 (coarse particles):
Good
3.8/100
NO2 (nitrogen dioxide):
Fair
20.7/100
O3 (ozone):
Medium
44.4/100
SO2 (sulfur dioxide):
Good
2.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.6/100
PM1 (ultrafine particles):
Good
13.1/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 11:00
AQI:
Medium
45.9/100
PM2.5 (fine particles):
Good
12.7/100
PM10 (coarse particles):
Good
4.5/100
NO2 (nitrogen dioxide):
Fair
20.2/100
O3 (ozone):
Medium
45.9/100
SO2 (sulfur dioxide):
Good
1.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.2/100
PM1 (ultrafine particles):
Good
16.0/100
Pollen forecast in Zwettl
View pollen forecastFrequently Asked Questions
Is air quality bad in Zwettl right now?
On 16 July 2026, overall air quality in Zwettl is fair. NO2 is the main pollutant at 20.7/100. Pollution peaks around 4:00 PM (O3: 44.4/100).
Will air quality be worse tomorrow in Zwettl?
On 17 July 2026, air quality conditions in Zwettl will be similar to today, with NO2 forecast at fair at 20.2/100. Pollution peaks around 11:00 AM (O3: 45.9/100).
When is air pollution at its worst in Zwettl?
Air quality at Zwettl is usually worst on calm winter mornings, when vehicle traffic and surrounding farmland activity settle close to the ground under a temperature inversion typical of the Danube valley. Summer generally brings better dispersion, aside from occasional ozone spikes during hot, still afternoons. Spring and autumn tend to be the steadiest months overall.
Are air quality levels in Zwettl 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.
Want to see air quality forecasts for other cities in Austria?
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 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.
For long term forecasts and maps, see the Airmine app