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Ọnụọgụ UV index
UV index na-atụle ike nke ụzarị ultraviolet na-akpọ akpụkpọ ahụ, na ọnụọgụgụ na-amalite na 0 ma enweghị oke elu. Ka ọnụọgụgụ ahụ dị elu, otú ahụ ka akpụkpọ ahụ na anya na-enweghị nchekwa na-emebi ngwa ngwa. Ọnụọgụgụ na agba bụ otu n'ụwa niile (World Health Organization); na United States, EPA na National Weather Service na-ewepụta nkọwa ahụ.
| Ọkwa UV | Ọkwa |
|---|---|
| 0–2 | Dị ala Nsogbu dị ntakịrị site na ụzarị UV maka onye nkịtị. Yikwasị anya na-acha anụnụ anụnụ n'ụbọchị na-enwu enwu. Ọ bụrụ na akpụkpọ ahụ gị na-ere ọkụ ngwa ngwa, kpuchie ya ma jiri SPF 30+ na-echebe akpụkpọ ahụ. Aka, mmiri na snow na-egosipụta UV ma na-ebuli mkpali gị. |
| 3–5 | Nkezi Nsogbu nkezi site na enweghị nchebe n'okpuru anwụ. Nọrọ n'okpuru onyinyo n'oge ehihie, mgbe anwụ kacha ike. Yikwasị uwe nchebe, okpu nwere akụkụ buru ibu, na anya na-egbochi UV, tinyekwuo SPF 30+ kwa awa 2, ọbụna n'ụbọchị igwe ojii, na mgbe ị gụchara mmiri ma ọ bụ mgbe ị na-asụ mmiri. |
| 6–7 | Elu Nsogbu dị elu site na enweghị nchebe n'okpuru anwụ: akpụkpọ ahụ na anya chọrọ nchebe. Belata oge n'okpuru anwụ n'etiti ehihie, chọọ onyinyo, yikwasị uwe nchebe, okpu nwere akụkụ buru ibu, anya na-egbochi UV, na SPF 30+, tinyekwuo ya kwa awa 2. |
| 8–10 | Elu nke ukwuu Nsogbu dị elu nke ukwuu: akpụkpọ ahụ na anya na-enweghị nchebe nwere ike imebi ma ree ọkụ ngwa ngwa. Belata oge n'okpuru anwụ n'etiti ehihie, chọọ onyinyo, kpuchie ya na uwe, okpu nwere akụkụ buru ibu, anya na-egbochi UV, na SPF 30+, tinyekwuo ya kwa awa 2. |
| 11+ | Kachasị elu Nsogbu kachasị elu: akpụkpọ ahụ na anya na-enweghị nchebe nwere ike ire ọkụ n'ime nkeji ole na ole. Gbalịa izere anwụ n'etiti ehihie, nọrọ n'okpuru onyinyo, jiri nchebe niile: uwe, okpu nwere akụkụ buru ibu, anya na-egbochi UV, na SPF 30+, tinyekwuo ya kwa awa 2. |
Mgbe ị ga-echebe onwe gị
Ndị ọrụ ahụike na-adụ ọdụ ka a chebe onwe mgbe UV index dị 3 ma ọ bụ karịa. Peeji obodo anyị na-egosi oge kpọmkwem mgbe nkọwa taa ruru 3 na obodo nke ọ bụla.
Iwu onyinyo: ọ bụrụ na onyinyo gị dị mkpụmkpụ karịa gị, UV anyanwụ dị ike — chebe onwe gị.
Ihe na-agbanwe UV index
Ogologo anyanwụ dị mkpa karịa: UV kachasị ike n'etiti ehihie, n'oge okpomọkụ na nso equator. Ozone dị gịrịgịrị na-eme ka UV karịa. Igwe ojii na-ebelata ya n'ozuzu mana ọ nwere ike ịbawanye ya n'oge dị mkpirikpi n'akụkụ ya. Elu ala na-agbakwunye ihe dị ka 10% kwa 1,000 m. Snow na-egosipụta ruo 80% nke UV, ájá na mbara mmiri dị ihe dị ka 15–25%, ya mere ị nwere ike ịkpọ akpụkpọ ahụ n'okpuru onyinyo n'ụsọ mmiri ma ọ bụ n'elu ugwu.