Worst air pollution Ústí nad Labem, today and tomorrow
Today (16 July): Air quality in Ústí nad Labem is fair. NO2 and PM1 are fair; AQI and O3 are medium; PM2.5, PM10, SO2, CO, and HCHO are good. Pollution peaks around 5:00 PM (O3: 40.7/100).
Tomorrow (17 July 2026): Air quality in Ústí nad Labem is fair. PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 2:00 PM (O3: 43.4/100). 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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Ústí nad Labem's air quality faces significant challenges from the Elbe valley's topographic enclosure between the Czech Central Highlands and the Ore Mountains, combined with coal mining and chemical industry legacy emissions from the Most-Chomutov North Bohemian industrial corridor upwind. Vehicle traffic on the D8 motorway and winter residential coal burning compound the industrial background, making Ústí one of the Czech Republic's more persistently challenged air quality environments.
Today - 16 July | Pollution peaks at 17:00
AQI:
Medium
40.7/100
PM2.5 (fine particles):
Good
16.2/100
PM10 (coarse particles):
Good
4.5/100
NO2 (nitrogen dioxide):
Fair
32.5/100
O3 (ozone):
Medium
40.7/100
SO2 (sulfur dioxide):
Good
6.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.5/100
PM1 (ultrafine particles):
Fair
21.1/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 14:00
AQI:
Medium
43.4/100
PM2.5 (fine particles):
Good
12.7/100
PM10 (coarse particles):
Good
3.7/100
NO2 (nitrogen dioxide):
Fair
36.7/100
O3 (ozone):
Medium
43.4/100
SO2 (sulfur dioxide):
Good
9.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.3/100
PM1 (ultrafine particles):
Good
17.3/100
Pollen forecast in Ústí nad Labem
View pollen forecastFrequently Asked Questions
Is air quality bad in Ústí nad Labem right now?
On 16 July 2026, overall air quality in Ústí nad Labem is fair. NO2 is the main pollutant at 32.5/100. Pollution peaks around 5:00 PM (O3: 40.7/100).
Will air quality be worse tomorrow in Ústí nad Labem?
On 17 July 2026, air quality conditions in Ústí nad Labem will be similar to today, with NO2 forecast at fair at 36.7/100. Pollution peaks around 2:00 PM (O3: 43.4/100).
When is air pollution at its worst in Ústí nad Labem?
Air quality dips in Ústí nad Labem mostly track local tree and grass allergens peaks and periods of vehicle traffic on the D8 motorway and winter residential coal burning compound the industrial background; a change of season or a spell of wind usually clears things up again.
Are air quality levels in Ústí nad Labem 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.
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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