Tab. VI.8 Smog situations and alerts for O3 – number
and duration, 2015
| SWRS area | Number of announcements | Duration [h] | ||
| Smog situation | Alert | Smog situation | Alert | |
| Agglomeration of Prague | 4 | – | 325 | – |
| Central Bohemia zone | 3 | – | 306 | – |
| Hradec Králové region | 1 | – | 16 | – |
| Pardubice region | 1 | – | 16 | – |
| Liberec region | 1 | – | 71 | – |
| Ústí nad Labem region | 3 | – | 283 | – |
| Karlovy Vary region | 1 | – | 42 | – |
| Plzeň region | 1 | – | 65 | – |
| South Bohemia zone | 1 | – | 26 | – |
| Vysočina region | 1 | – | 75 | – |
| South Moravia region without agglomeration of Brno | 1 | – | 229 | – |
| Agglomeration of Brno | 1 | – | 229 | – |
| Olomouc region | 1 | – | 216 | – |
| Zlín region | 1 | – | 216 | – |
| Moravia-Silesia zone | 2 | – | 148 | – |
| Agglomeration of O/K/F-M | 1 | – | 123 | – |
| Czech Republic in total | 24 | – | 2386 | – |