Heoi, PSCs hanga atu ngāwari i roto i te makariri tino o te Arctic me te Antarctic stratosphere. Tenei ko te aha i hanga tuatahi poka ozone, me te hohonu, i runga i Antarctica. kihai i taea e te tauira wawe ki te tango PSCs ki pūkete, me te matapae i te hohoro hohonu ao, e ko te aha i te poka ozone ohorere Antarctic ohorere he pera te miharo ki te maha pūtaiao. Ko reira tika atu ki te korero o te hohonu ozone i roto i waenganui latitudes, kaua i roto i poka. heke o ozone i waenganui i 1980 me 1996 mō waenganui-latitudes. i roto i te raki-latitudes, ka nui haere i te uara iti rawa i te tau 1996 ki te tau 2009 rite te nui o te stratosphere i heke i roto i te stratosphere. i roto i nga tauira o te Ao o te Meteorological Whakahaere i roto i te Montreal Protocol, kua kitea hoki i roto i te wa e kore e nui whakaheke o te ozone i roto i te wa, engari i roto i te mea i te mea i kitea i te nui whakaheke
tino pai