Tab. II.4.13 Number of hours of the ozone alert threshold exceedence (180 μg.m-3) per year at selected AIM stations, 1992–2004
| Region | KMPL | Station | Owner | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 |
| Capital City of Prague | AKOBA | P8-Kobylisy | ČHMÚ | 0 | 1 | 17 | 0 | 4 | 0 | 0 | 20 | 0 | 0 | ||||
| ALIBA | P4-Libuš | ČHMÚ | 37 | 22 | 125 | 32 | 0 | 2 | 13 | 0 | 12 | 0 | 0 | 22 | 0 | 4 | |
| AREPA | P1-nám. Republiky | ČHMÚ | 159 | 37 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| ASMIA | P5-Smíchov | ČHMÚ | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||
| ASTOA | P5-Stodůlky | ČHMÚ | 0 | 0 | |||||||||||||
| ASUCA | P6-Suchdol | ČHMÚ | 0 | 1 | |||||||||||||
| AVELA | P6-Veleslavín | ČHMÚ | 0 | 0 | 8 | 0 | 10 | 0 | 0 | 11 | 0 | 0 | |||||
| AVYCA | P9-Vysočany | ČHMÚ | 4 | 175 | 38 | 1 | 0 | 9 | 0 | 11 | 0 | 0 | 7 | ||||
| AVYNA | P9-Vysočany | ČHMÚ | 0 | 0 | |||||||||||||
| South Bohemian | CCBDA | České Budějovice | ČHMÚ | 1 | 26 | 26 | 3 | 4 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | ||
| CCHUA | Churáňov | ČHMÚ | 3 | 4 | 0 | 15 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | ||||
| CKOCA | Kocelovice | ČHMÚ | 4 | 0 | 0 | ||||||||||||
| CPRAA | Prachatice | ZÚ | 6 | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | ||||
| CTABA | Tábor | ČHMÚ | 0 | 0 | 0 | ||||||||||||
| CHVOA | Hojná Voda | ČHMÚ | 0 | 0 | 0 | 0 | 6 | 0 | 5 | 0 | 0 | 8 | 0 | 1 | |||
| South Moravian | BBNDA | Brno-střed | ČHMÚ | 0 | 0 | ||||||||||||
| BBNFA | Brno-Kroftova | ČHMÚ | 4 | 4 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 1 | |||||
| BBNYA | Brno-Tuřany | ČHMÚ | 8 | 0 | 0 | 1 | 0 | 8 | 0 | 0 | |||||||
| BHODK | Hodonín | ZÚ | 8 | 46 | 0 | 27 | 0 | 10 | 0 | 0 | 7 | 0 | 0 | ||||
| BKUCA | Kuchařovice | ČHMÚ | 0 | 0 | |||||||||||||
| BMISA | Mikulov-Sedlec | ČHMÚ | 3 | 0 | 7 | 1 | 1 | 1 | 0 | 9 | 0 | 2 | |||||
| Karlovy Vary | KPRBA | Přebuz | ČHMÚ | 29 | 11 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 47 | 0 | 0 | ||
| KSOMA | Sokolov | ČHMÚ | 94 | 27 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | |||
| Hradec Králové | HHKBA | Hradec Králové-Brněnská | ČHMÚ | 0 | 2 | ||||||||||||
| HHKOK | Hr.Král.-observatoř | ČHMÚ | 18 | 13 | 0 | 5 | 3 | 10 | 0 | 0 | 4 | 0 | 0 | ||||
| HHKSK | Hr.Král.-Sukovy sady | ZÚ | 40 | 16 | 0 | 5 | 0 | 11 | 0 | 0 | 2 | 0 | 0 | ||||
| HKRYA | Krkonoše-Rýchory | ČHMÚ | 0 | 169 | 3 | 20 | 1 | 2 | 0 | 5 | 27 | 0 | 0 | ||||
| HOHZA | Orlické hory-Zakletý I | ČHMÚ | 0 | 0 | 0 | ||||||||||||
| HSERA | Šerlich | ČHMÚ | 0 | 0 | 0 | 1 | 0 | 5 | 0 | 0 | 7 | 1 | 0 | ||||
| Liberec | LAUFA | Albrechtice u Frýdlantu | ČHMÚ | 0 | 167 | 14 | 2 | 0 | 4 | 0 | 9 | 0 | 0 | 0 | |||
| LLIMA | Liberec-město | ČHMÚ | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | ||||
| LSOUA | Souš | ČHMÚ | 117 | 94 | 8 | 28 | 0 | 4 | 0 | 2 | 0 | 0 | 9 | 0 | 0 | ||
| Moravian-Silesian | TBKRA | Bílý Kříž | ČHMÚ | 23 | 42 | 0 | 0 | 3 | 0 | 3 | 0 | 1 | 2 | 0 | 0 | ||
| TCERA | Červená | ČHMÚ | 0 | 0 | |||||||||||||
| TKARA | Karviná | ČHMÚ | 3 | 34 | 10 | 11 | 0 | 7 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | ||
| TOFFA | Ostrava-Fifejdy | ČHMÚ | 13 | 18 | 6 | 4 | 0 | 4 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | ||
| TOPBA | Ostrava-Por./V.obvod | ČHMÚ | 0 | ||||||||||||||
| TOPRA | Ostrava-Přívoz | ČHMÚ | 0 | 0 | 0 | 0 | 1 | 0 | |||||||||
| TSTDA | Studénka | ČHMÚ | 0 | 0 | 0 | 0 | 3 | 6 | 0 | 0 | |||||||
| TTROA | Třinec-Kosmos | ČHMÚ | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| Olomouc | MBUPA | Brodek u Přerova | ČHMÚ | 0 | 0 | 6 | 0 | 0 | 0 | ||||||||
| MJESA | Jeseník | ČHMÚ | 5 | 49 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||
| MOLSK | Olomouc-Šmeralova | ZÚ | 29 | 64 | 0 | 7 | 0 | 3 | 0 | 0 | 5 | 0 | 0 | ||||
| MOLTK | Olomouc-hotel | MÚOl | 0 | 0 | 7 | 0 | |||||||||||
| M0LVA | Olomouc-Velkomoravská | MOLO | 0 | ||||||||||||||
| MPRRA | Přerov | ČHMÚ | 0 | 0 | 1 | 0 | 0 | ||||||||||
| MPSTA | Prostějov | ČHMÚ | 56 | 19 | 2 | 0 | 6 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | |||
| MSMPK | Šumperk | OÚŠu | 0 | 0 | 0 | 0 | |||||||||||
| Pardubice | EPAOA | Pardubice-Rosice | MÚPa | 11 | 0 | 59 | 0 | 0 | 8 | 0 | 3 | ||||||
| EPAUA | Pardubice Dukla | ČHMÚ | 0 | 0 | 8 | 0 | 1 | ||||||||||
| ESVRA | Svratouch | ČHMÚ | 33 | 75 | 5 | 0 | 0 | 6 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| Plzeň | PKLSK | Klatovy soud | ZÚ | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | |||
| PPLAA | Plzeň-Slovany | MPl | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | |||||
| PPLBA | Plzeň-Bory | MPl | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| PPLLA | Plzeň-Lochotín | MPl | 0 | 0 | 4 | 0 | 0 | 0 | 1 | 26 | 1 | 0 | |||||
| PPLVA | Plzeň-Doubravka | ČHMÚ | 0 | 38 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 21 | 0 | 0 | |||
| PPRMA | Přimda | ČHMÚ | 6 | 7 | 0 | 4 | 0 | 0 | 3 | 0 | 44 | 0 | 3 | ||||
| Central Bohemian | SKLMA | Kladno-střed města | ČHMÚ | 0 | 9 | 4 | 0 | 12 | 0 | 2 | |||||||
| SMBOA | Mladá Boleslav | ČHMÚ | 8 | 0 | 4 | ||||||||||||
| SMEPA | Mělník - Pšovka | ČEZ | 0 | ||||||||||||||
| SONRA | Ondřejov | ČHMÚ | 57 | 21 | 5 | 0 | 10 | 0 | 4 | 0 | 0 | 14 | 0 | 0 | |||
| Ústí nad Labem | UBINA | Bílina | ZÚ | 6 | 0 | 0 | 0 | 0 | |||||||||
| UDEHK | Děčín-OHS | ZÚ | 0 | 0 | 0 | 0 | |||||||||||
| ULOMA | Lom | ČHMÚ | 0 | 2 | |||||||||||||
| ULTHK | Litoměřice-OHS | ZÚ | 0 | 0 | 0 | 7 | 3 | 0 | 16 | 5 | 6 | ||||||
| ULTTA | Litoměřice | ČHMÚ | 7 | 2 | 2 | ||||||||||||
| UMOMA | Most | ČHMÚ | 7 | 0 | 5 | 0 | 1 | 9 | 0 | 2 | |||||||
| UMRTA | Martiněves | ČHMÚ | 1 | 0 | |||||||||||||
| UNVOA | Nová Ves v Horách | ČHMÚ | 31 | 97 | 13 | ||||||||||||
| URVHA | Rudolice v Horách | ČHMÚ | 0 | 2 | 0 | 10 | 2 | 8 | 5 | 3 | 38 | 1 | 7 | ||||
| USNEA | Sněžník | ČHMÚ | 1 | 49 | 31 | 8 | 0 | 9 | 0 | 19 | 2 | 0 | 19 | 0 | |||
| USNZA | Sněžník | ČHMÚ | 0 | 0 | |||||||||||||
| UTEMA | Teplice | ČHMÚ | 25 | 1 | 0 | 0 | 3 | 4 | 0 | 8 | 0 | 1 | 1 | 1 | 2 | ||
| UTUSA | Tušimice | ČHMÚ | 5 | 7 | 0 | 0 | 5 | 0 | 0 | 2 | 1 | 7 | 1 | 6 | |||
| UULKA | Ústí n.L.-Kočkov | ČHMÚ | 0 | 22 | 1 | 5 | 18 | 0 | 14 | 0 | 0 | 5 | 2 | 0 | |||
| UULNA | Ústí n.L.-město | ČHMÚ | 0 | 0 | 0 | 10 | 0 | 0 | 8 | 0 | 0 | ||||||
| UVALA | Valdek | ČHMÚ | 20 | 0 | 0 | ||||||||||||
| UVSEA | Všechlapy | ČHMÚ | 21 | 0 | 0 | 6 | 0 | 4 | 4 | 0 | |||||||
| Vysočina | JJIHA | Jihlava | ČHMÚ | 0 | 0 | 0 | |||||||||||
| JKMYA | Kostelní Myslová | ČHMÚ | 0 | 3 | 0 | 1 | 0 | 0 | 6 | 0 | 0 | ||||||
| JKOSA | Košetice | ČHMÚ | 7 | 27 | 2 | 2 | 0 | 1 | 0 | 4 | 0 | 0 | 7 | 0 | 0 | ||
| JZNZK | Ždár nad Sázavou | ZÚ | 51 | 112 | 0 | 19 | 0 | 3 | 0 | 0 | 6 | 0 | 0 | ||||
| Zlín | ZSNVA | Štítná n.Vláří | ČHMÚ | 12 | 1 | 0 | |||||||||||
| ZZLNA | Zlín | ČHMÚ | 0 | 0 | |||||||||||||
| ZZLTK | Zlín-Svit | MÚZl | 0 | 0 | 0 | 0 |