Iyo Index Index yakagadzirwa muna 1994 ne National Weather Service uye US Environmental Protection Agency (EPA). Inobatsira kuronga mabasa ako epasi kuitira kuti urege kudzivirirwa kuhuwandu hwemazuva ano UV.
Chii Chinonzi UV Index?
Zuva rimwe nerimwe UV Index inoratidzwa zuva rakatevera ye zip code dzose muUnited States Iyo inofanotaura kuwedzera kwemazuva ano emasikati uye inoratidzwa pachiyero che1 kusvika ku11 +.
Pachiyero ichi, 1 inoratidza dambudziko rakanyanya kuderera rekuwedzera uye 11+ rinoratidza dambudziko guru rekuwedzera. UV Index nhamba dzakasanganiswawo kuti dzive muhuwandu hwemashure kubva kubva pasi kusvikira kune zvakanyanya uye imwe yehuwandu hwekutsvaga ine mhando yemirasi yakafanana.
Zviitiko zvinoshandisa iyo Index Index
Kuwanda kwemazuva anovhara, uye nekudaro UV Index, kunobva pane zvimwe zvinhu:
- Mwaka: UV Index iri yakakwirira mumwaka wechando uye chirimo. Iyo inoburukira pasi pakuwa uye ndiyo yakadzika kupfuura yechando.
- Latitude: Vhidhiyo yeWIV yakasimba pane yeEquator uye inowira pasi iwe uchienda kuchamhembe kana kumaodzanyemba.
- Kureba: Nokuti mhepo iri kumusoro yakakwirira, mihizha ye UV inomuka apo iwe "uchikwira" kumusoro.
- Nguva yeZuva: Kana zuva richikwirira mudenga, mazuva ezuva anowedzera zvakananga pamusoro pako nemashoma mashoma ekupararira. Izvi zvinoreva kuti kuwedzera kwemavara emagetsi eVV ndiko kwakakwirira panguva ye "solar noon," kazhinji pane imwe nguva masikati neawa 1 Kana zuva riri pane imwe kona pane 90 degrees pasi, mamwe mazai eWV anopararira kuderedza simba inokanganisa ganda rako.
- Ozone: Ozone inobata mihizha ye UV ichiita kuti isanyanya kusimba. Mazinga eOzone anogona kuchinja kubva zuva rimwe nerimwe.
- Cloud Cover: Inorema, inorema gore rinovhara inogona kudzivisa mazai eWV akawanda, zvisinei, masikati maduku anogona kurega mavhiri akawanda eVV kuburikidza. Fluffy, kutonhora-kutonhora kwemakore kunonyengedza nokuti inoratidza mahara uye inogona kuwedzera huwandu hwemazuva ano kusvika kuNyika.
- Chifukidzo Chemuvhu: Zvinonzwisisika kuti zvivakwa semiti uye zvivako zvinoderedza huwandu hwehutachiona hwehuvha hunopisa ganda rako.
- Pasi Pasi Zviitiko: Zvose zvinoputira pasi pePasi zvakapoteredza iwe zvinogona kuratidza kana kuparadzira mazai eWIV. Chando chinoratidza kusvika ku80%, asi jecha rinoratidza 15% uye mvura inoratidza 10%.
Nzira Yokuwana Nayo Yako Indaneti Indaneti
Iwe unogona kuwana UV Index yako nekushanyira EPA's UV Index site. Ikoko iwe unogona kutarisa kumusoro kweUnd Index ye zip code yako. Panewo mazuva mana UV Index Forecast map of United States kuti ikubatsire kuronga mabasa ako kunze kwemazuva mashomanana anotevera.
Sources:
> Kinney, John P, Craig Long, uye Alan Geller. "The Ultraviolet Index: Chinhu Chinobatsira." Dermatology Online Journal. 6 (2000): 2.
> Ramirez, Raymond naJeffrey Schneider. "Mazano Anobatsira Kuchengeteka Kwezuva." Mapiritsi Okuvhiya eNorth America. 83 (2003): 97-107.
> United States > Environmental Protection Agency. "Mutungamiri weInd Index." May 2004: 1-8.
IU Index Index
| UV Index Index | Exposure Level | Colour Code |
| 2 kana pasi | Low | Girinhi |
| 3 kusvika ku5 | Moderate | Yero |
| 6 kusvika ku7 | High | Orenji |
| 8 kusvika ku10 | Pamusoro soro | Tsvuku |
| 11+ | Extreme | Violet |