Yadda za a fahimci Shafin UV

An kafa labaran UV a cikin 1994 ta hanyar Wakilin Kasuwancin Duniya da Hukumar Kare Muhalli ta Amurka (EPA). Yana taimaka maka shirya ayyukanka na waje don haka za ka iya kauce wa bayyanar da zafin fuska .

Menene Shafin UV?

Kowace rana an ƙididdige UV Index don rana ta gaba don kowane zip code a Amurka. Yana tsinkaya yawan UV radiation a tsakar rana kuma an ruwaito a kan sikelin 1 zuwa 11+.

A kan wannan sikelin, 1 yana nuna hadarin mafi haɗari na rashin yiwuwar kuma 11+ yana nuna haɗari mafi haɗari na rashin yiwuwar. Lambobin lambobi na UV sun haɗa su zuwa matakan da suka kamu da matsananci daga matakan zuwa matsananci kuma kowannensu yana da lambar launi.

Abubuwan da ke shafi UV Index

Ƙarawar UV radiation, kuma ta haka ne UV Index, ya dogara da dalilai masu yawa:

• Season: UV Index ya fi girma a cikin bazara da kuma lokacin rani. Ya fada a cikin fall kuma shine mafi ƙasƙanci a cikin hunturu.
• Latitude: Ƙararrakin UV yana da karfi a tsakanin kuma ya sauka kamar yadda kake motsa zuwa arewa ko kwakwalwan kudanci.
• Altitude: Dalili da cewa iska a mafi girman girmanta ya fi ƙarfin, UV radiation ta tashi kamar yadda kake "hawa" a cikin tsawo.
• Lokaci na Rana: Lokacin da rana ta fi girma a sararin sama, hasken hasken rana ya doke ku da ƙananan raƙuman da suka watsar. Wannan yana nufin cewa yawancin kamfanonin UV ya fi girma a lokacin "rana tsakar rana," yawanci wani wuri a tsakanin tsakar rana da karfe 1 na yamma. Lokacin da rana ta kasance a wata kusurwa da ta wuce digiri 90 a ƙasa, wasu rashawa UV sun warwatse ƙusa da ƙarfin da rinjayar fata.

• Ozone: Ozone yana shafan kamfanonin UV wanda ba shi da karfi. Matakan gaggawa na iya canzawa daga rana zuwa rana.
• Cloud Cover: Nauyin nauyi, girgije mai nauyi zai iya toshe yawancin radiation UV, duk da haka, ƙananan iska zai iya barin yawancin hasken UV ta hanyar. Rashin ruwa, iska mai tsabta suna yaudarar saboda suna haskaka haskoki kuma zasu iya ƙara yawan radiation zuwa Duniya.

• Land Cover: Yana da hankali cewa Tsarin kamar bishiyoyi da gine-gine sun rage adadin radiation UV wanda ya fado jikinku.
• Yanayin Girman Duniya: Duk abin da ke rufe fuskar ƙasa da ke kewaye da kai zai iya kwatanta ko watsa UV radiation. Snow yana nuna har zuwa 80%, yayinda yashi ya nuna 15% kuma ruwa ya nuna 10%.

Ta yaya za a sami Shafin UV naka

Za ka iya samun layinka ta UV ta ziyartar shafin EPA ta UV Index. A nan za ku iya duba samfurin UV don lambar zip ku. Har ila yau, akwai launi na Shafin Farko na UV 4 na Amurka don taimaka maka shirya ayyukan ayyukan waje don kwanakin nan na gaba.

_Sources:

> Kinney, John P, Craig Long, da Alan Geller. "Hoton Ultraviolet: Kayan Amfani." Bayanan Labaran Labaran Lafiya na Dermatology. 6 (2000): 2.

> Ramirez, Raymond da Jeffrey Schneider. "Jagora mai kyau ga Kariya Sun." Magunguna na Arewacin Amirka. 83 (2003): 97-107.

> Ƙasar Amirka > Hukumar Kariya ta Yankin Muhalli. "Jagora ga Shafin UV." Mayu 2004: 1-8.

Shafin UV