Kāinga › Te tauine tohu UV
Te tauine tohu UV
Ka ine te tohu UV i te kaha o ngā hihi ultraviolet o te rā, ki tētahi tauine ka tīmata i te 0 kāore he taumata o runga. Ki te piki te tau, ka tere ake te pakaru o te kiri me ngā kanohi kāore i tiakina. He ōrite te tauine me ngā tae puta noa i te ao (World Health Organization); i Aotearoa ka tukuna te matapae e EPA me te Ratonga Huarere ā-Motu.
| Taumata UV | Taumata |
|---|---|
| 0–2 | Iti He iti te mōrea o ngā hihi UV mō te tangata toharite. Kakahu karapu ārai i ngā rā mārama. Mēnā ka wera tere tō kiri, hipokina, ā, whakamahia he kiri ārai SPF 30+ whānui. Ka whakaata ngā hihi UV i te onepū, te wai me te huka, ā, ka piki ake tō pānga. |
| 3–5 | Waenga He mōrea waenga mai i te rā kāore i ārahina. Noho ki te marumaru i te awatea, ina kaha rawa te rā. Kakahu kākahu ārai, he potae whānui, he karapu ārai UV, ā, whakamahia he kiri ārai SPF 30+ whānui ia 2 hāora, ahakoa he rā kapua, ā, muri i te kauhoe, i te werawera rānei. |
| 6–7 | Teitei He mōrea teitei mai i te rā kāore i ārahina: me ārai te kiri me ngā whatu. Whakaitihia te wā ki te rā i waenganui pō, rapua he marumaru, ā, kakahu kākahu ārai, he potae whānui, he karapu ārai UV me te kiri ārai SPF 30+ whānui, ka whakahoutia ia 2 hāora. |
| 8–10 | Tino teitei He mōrea tino teitei: ka taea te whara me te wera tere o te kiri me ngā whatu kāore i ārahina. Whakaitihia te wā ki te rā i waenganui pō, rapua he marumaru, ā, hipokina ki te kākahu, he potae whānui, he karapu ārai UV me te kiri ārai SPF 30+ whānui, ka whakahoutia ia 2 hāora. |
| 11+ | Tino kaha He mōrea tino kaha: ka wera te kiri me ngā whatu kāore i ārahina i roto i ngā meneti. Whakamātua kia kore e noho ki te rā i waenganui pō, noho ki te marumaru, ā, whakamahia ngā ārai katoa: he kākahu, he potae whānui, he karapu ārai UV me te kiri ārai SPF 30+ whānui, ka whakahoutia ia 2 hāora. |
Āhea me tiaki i a koe
Ka tohutohu ngā umanga hauora kia tiakina ina 3 neke atu rānei te tohu UV. Ka whakaatu ō mātou whārangi tāone i ngā hāora tika ka tae te matapae ā-rangi ki te 3 i ia tāone.
Te ture ata: mēnā he poto ake tō ata i a koe, kei te kaha rawa te UV o te rā — tiakina koe.
Ngā mea e huri ana i te tohu UV
Ko te teitei o te rā te mea nui: ka kaha te UV i te poutūmātoa, i te raumati, me te tata ki te ekwatora. Ka uru mai te UV mā te ozone angiangi. He iti ake te UV i ngā kapua, engari ka piki ake mō ngā wā poto i ōna tapa. Ka tāpirihia te teitei ki te 10% ia 1,000 m. Ka whakaata te hukarere i te 80% o te UV, te onepu me te harikoa moana ki te 15–25%, nō reira ka taea te kā i te ata i te takutai, i te puke ski rānei.