Ikhaya › Isikali se-UV index
Isikali se-UV index
I-UV index ilinganisa ukuba imitha ye-ultraviolet yelanga inamandla kangakanani, kwisikali esiqala ku-0 esingenasiphelo siphezulu. Xa inani liphezulu, isikhumba namehlo angakhuselekanga onakala ngokukhawuleza. Isikali nemibala iyafana kwihlabathi liphela (World Health Organization); eUnited States uqikelelo lupapashwa yi-EPA kunye ne-National Weather Service.
| Inkomba ye-UV | Izinga |
|---|---|
| 0–2 | Phansi Ingozi ephansi yemisebe ye-UV yelanga kumuntu ojwayelekile. Gqoka izibuko zelanga ezinsukwini ezikhanyayo. Uma uvuthelwa kalula, gqoka izingubo bese usebenzisa isivikelo selanga se-broad-spectrum SPF 30+. Isanti, amanzi nekhephu kubonakalisa imisebe ye-UV futhi kwandise ukuchayeka kwakho. |
| 3–5 | Maphakathi Ingcuphe ephakathi yokuchayeka elangeni ngaphandle kwezikelo. Hlala ethuneni maphakathi nesikhathi sasemini, lapho ilanga likhanya kakhulu. Gqoka izingubo zokuvikela, ihatshi elinembobo ebanzi nezibuko zelanga ezivimba i-UV, bese ufaka isivikelo selanga se-broad-spectrum SPF 30+ njalo emahoreni amabili, nangezinsuku ezinamafu, nangemuva kokugeza noma ukujijima. |
| 6–7 | Phezulu Ingcuphe ephezulu yokuchayeka elangeni ngaphandle kwezikelo: isikhumba namehlo adinga ukuvikelwa. Yehlisa isikhathi sokuchayeka elangeni maphakathi nesikhathi sasemini, funa ithunzi, bese ugqoka izingubo zokuvikela, ihatshi elinembobo ebanzi, izibuko zelanga ezivimba i-UV nesivikelo selanga se-broad-spectrum SPF 30+, esifakwa njalo emahoreni amabili. |
| 8–10 | Phezulu Kakhulu Ingcuphe ephezulu kakhulu: isikhumba namehlo angavikelwanga angalimala futhi avuthelwe ngokushesha. Yehlisa isikhathi sokuchayeka elangeni maphakathi nesikhathi sasemini, funa ithunzi, bese uzivikela ngezingubo, ihatshi elinembobo ebanzi, izibuko zelanga ezivimba i-UV nesivikelo selanga se-broad-spectrum SPF 30+, esifakwa njalo emahoreni amabili. |
| 11+ | Ekugcineni Ingcuphe enkulu: isikhumba namehlo angavikelwanga angavuthelwa ngemizuzu. Zama ukugwema ilanga maphakathi nesikhathi sasemini, hlala ethuneni, bese usebenzisa zonke izikelo: izingubo, ihatshi elinembobo ebanzi, izibuko zelanga ezivimba i-UV nesivikelo selanga se-broad-spectrum SPF 30+, esifakwa njalo emahoreni amabili. |
Nini ukuzivikela
Amasebe ezempilo acebisa ukuzivikela lapho i-UV index ifinyelela ku-3 noma ngaphezulu. Amakhasi ethu edolobha abonisa amahora aqondile lapho isibikezelo sanamuhla sifinyelela ku-3 kuleli dolobha.
Umthetho wethunzi: uma ithunzi lakho lifushane kunawe, i-UV yelanga iphezulu kakhulu — vikela umzimba wakho.
Okutshintsha i-UV index
Ubude belanga bubalulekile kakhulu: i-UV inamandla kakhulu malunga nesiqingatha selanga, ehlotyeni kwaye kufuphi ne-equator. I-ozone encinci ivumela i-UV engaphezulu ukuba ingene. Amathontsi ngokubanzi ayayehlisa kodwa angayinyusa ixesha elifutshane emaphethelweni awo. Ukuphakama kongeza malunga ne-10% nge-1,000 m. Ikhephu ibonisa ukuya kwi-80% ye-UV, isanti kunye neefomu zolwandle malunga ne-15–25%, ngoko unokutsha ngaphantsi komthunzi elunxwemeni okanye kumthambeka we-skii.