Nyumba › Mulingo wa chizindikiro cha UV
Mulingo wa chizindikiro cha UV
Chizindikiro cha UV chimayezera kuti mwayi wa dzuwa wamphamvu bwanji, pa mulingo womwe umayamba pa 0 ndipo ulibe malire apamwamba. Nambiro ikakwera, khungu ndi maso osatetezedwa amavala mwachangu. Mulingo ndi mitundu zimafanana padziko lonse (World Health Organization); ku United States kufotokoza kumaperekedwa ndi EPA ndi National Weather Service.
| Chiwerengero cha UV | Mlingo |
|---|---|
| 0–2 | Pang'ono Chiopsezo pang'ono kuchokera ku mwaya wa UV wa dzuwa kwa anthu ambiri. Valani magalasi a dzuwa masiku owala. Ngati mukuvutika ndi dzuwa mosavuta, valani zovala ndi kugwiritsa ntchito sunscreen ya SPF 30+ yoteteza bwino. Mchenga, madzi ndi chisanadzu zimabweretsa mwaya wa UV ndikuwonjezera kuwala. |
| 3–5 | Pakati Chiopsezo chapakati chosatetezedwa ndi dzuwa. Khalani mthunzi pafupi ndi masana, pomwe dzuwa limakhala lamphamvu kwambiri. Valani zovala zoteteza, chipewa chachikulu ndi magalasi a dzuwa oteteza UV, ndikugwiritsa ntchito sunscreen ya SPF 30+ yoteteza bwino maola onse a 2, ngakhale masiku a mitambo, ndi pambuyo pofukiza kapena kuthamanga thukuta. |
| 6–7 | Yokwera Chiopsezo chachikulu chosatetezedwa ndi dzuwa: khungu ndi maso amafunika kutetezedwa. Chotsani nthawi yochepa pansi pa dzuwa pakati pa masana, funani mthunzi, ndi kuvala zovala zoteteza, chipewa chachikulu, magalasi a dzuwa oteteza UV ndi sunscreen ya SPF 30+ yoteteza bwino, yobwereka maola onse a 2. |
| 8–10 | Yokwera kwambiri Chiopsezo chachikulu kwambiri: khungu ndi maso osatetezedwa atha kuwonongeka ndi kuwotcha mwachangu. Chotsani nthawi yochepa pansi pa dzuwa pakati pa masana, funani mthunzi, ndi kuvala zovala, chipewa chachikulu, magalasi a dzuwa oteteza UV ndi sunscreen ya SPF 30+ yoteteza bwino, yobwereka maola onse a 2. |
| 11+ | Yosavuta Chiopsezo chosavuta: khungu ndi maso osatetezedwa atha kuwotcha m'mphindi. Yesani kupewa dzuwa pakati pa masana, khalani mthunzi, ndi kugwiritsa ntchito chitetezo chilichonse: zovala, chipewa chachikulu, magalasi a dzuwa oteteza UV ndi sunscreen ya SPF 30+ yoteteza bwino, yobwereka maola onse a 2. |
Nthawi yoteteza nokha
Mabungwe a zaumoyo amalimbikitsa kuteteza nokha nthawi iliyonse UV index ili pa 3 kapena kuposa. Masamba athu amzinda amasonyeza maola enieni omwe tchati cha lero chikufika pa 3 mumzinda uliwonse.
Lamulo la mthunzi: ngati mthunzi wako ndi wafupikira kuposa inu, UV ya dzuwa ili pamwamba kwambiri — tetezekani.
Zosintha chizindikiro cha UV
Kutalika kwa dzuwa ndi kofunika kwambiri: UV imakhala yamphamvu kwambiri pakati pa masana, chilimwe ndi pafupi ndi ekweta. Ozone yochepa imalola UV yambiri kulowa. Mitambo nthawi zambiri imatsitsa koma imatha kuikweza kwa nthawi yochepa m'mphepete mwake. Kutalika kumawonjezera pafupifupi 10% pa 1,000 m. Chisanu chimagololera mpaka 80% ya UV, mchenga ndi phulusa la nyanja pafupifupi 15–25%, choncho mutha kuwotcha mu mthunzi pa gombe kapena pa phiri la skii.