Tab. VI.6 Smog situations and regulations for O3 in 2013 – dates and times of announcement
| Announced | Cancelled | Duration | |||
| Smog situation | Alert | Regulation | Alert | Smog situation | Alert |
| CE(S)T | CE(S)T | CE(S)T | CE(S)T | [h] | [h] |
| Agglomeration of Prague | |||||
| 26.07.2013 17:56 | x | x | 29.07.2013 06:55 | 61 | x |
| 03.08.2013 14:45 | x | x | 04.08.2013 10:18 | 20 | x |
| total | duration [h] | 81 | 0 | ||
| number | 2 | 0 | |||
| Central Bohemia zone | |||||
| 26.07.2013 17:57 | x | x | 29.07.2013 06:55 | 61 | x |
| 03.08.2013 14:45 | x | x | 04.08.2013 10:19 | 20 | x |
| total | duration [h] | 81 | 0 | ||
| number | 2 | 0 | |||
| Liberec region | |||||
| 18.06.2013 15:57 | x | x | 19.06.2013 16:15 | 24 | x |
| 03.08.2013 15:17 | x | x | 04.08.2013 08:44 | 17 | x |
| total | duration [h] | 42 | 0 | ||
| number | 2 | 0 | |||
| Ústí nad Labem region | |||||
| 18.06.2013 15:57 | x | x | 20.06.2013 22:15 | 54 | x |
| 27.07.2013 15:46 | x | x | 29.07.2013 05:42 | 38 | x |
| 03.08.2013 13:49 | x | x | 04.08.2013 08:44 | 19 | |
| total | duration [h] | 111 | 0 | ||
| number | 3 | 0 | |||
| Plzeň region | |||||
| 26.04.2013 07:41 | x | x | 27.4.2013 3:14 | 20 | x |
| total | duration [h] | 20 | 0 | ||
| number | 1 | 0 | |||
| South Bohemia region | |||||
| 25.04.2013 12:41 | x | x | 27.04.2013 07:00 | 42 | x |
| 18.06.2013 23:39 | x | x | 21.06.2013 08:21 | 57 | x |
| total | duration [h] | 99 | 0 | ||
| number | 2 | 0 | |||
| South Moravia region without agglomeration of Brno | |||||
| 06.08.2013 15:37 | x | x | 07.08.2013 19:25 | 28 | x |
| 08.08.2013 16:03 | x | x | 09.08.2013 12:59 | 21 | x |
| total | duration [h] | 49 | 0 | ||
| number | 2 | 0 | |||
| Agglomeration of Brno | |||||
| 06.08.2013 18:40 | x | x | 7.8.2013 19:25 | 25 | x |
| total | duration [h] | 25 | 0 | ||
| number | 1 | 0 | |||
| Moravia-Silesia zone | |||||
| 19.06.2013 15:29 | x | x | 21.06.2013 14:25 | 47 | x |
| total | duration [h] | 47 | 0 | ||
| number | 1 | 0 | |||
| Czech Republic in total | |||||
| total | duration [h] | 553 | 0 | ||
| number | 16 | 0 | |||