Indexididdigar ingancin iska (AQI) wakilcin matakan gurɓataccen iska. Yana sanya lambobi akan ma'auni tsakanin 0 zuwa 500 kuma ana amfani dashi don taimakawa wajen tantance lokacin da ake sa ran ingancin iska ba zai yi kyau ba.
Dangane da ma'aunin ingancin iska na tarayya, AQI ta haɗa da ma'auni don manyan gurɓataccen iska guda shida: ozone, carbon monoxide, nitrogen dioxide, sulfur dioxide, da nau'i biyu na ƙwayoyin cuta. A cikin Yankin Bay, abubuwan da suka fi dacewa su haifar da faɗakarwar faɗakarwar iska su ne ozone, tsakanin Afrilu da Oktoba, da kuma ɓangarorin kwayoyin halitta, tsakanin Nuwamba da Fabrairu.
Kowace lambar AQI tana nufin ƙayyadaddun adadin gurɓataccen iska a cikin iska. Ga yawancin gurɓataccen gurɓataccen abu guda shida da ginshiƙi na AQI ke wakilta, ƙa'idar tarayya ta yi daidai da adadin 100. Idan ƙaddamar da gurɓataccen abu ya haura sama da 100, ingancin iska na iya zama mara lafiya ga jama'a.
0-50
Yayi kyau (G)
51-100
Matsakaici (M)
101-150
Rashin Lafiya ga Ƙungiyoyi masu Hankali (USG)
151-200
Mara lafiya (U)
201-300
Mara lafiya sosai (VH)
301-500
Mai haɗari (H)
Karatun da ke ƙasa 100 akan AQI bai kamata ya shafi lafiyar jama'a ba, kodayake karatun a cikin matsakaicin kewayon 50 zuwa 100 na iya shafar mutane masu hankali. Matakan sama da 300 ba safai suke faruwa a Amurka.
Lokacin da Gundumar Air ta shirya hasashen AQI na yau da kullun, tana auna ƙimar da ake tsammani ga kowane ɗayan manyan gurɓatattun gurɓatattun abubuwa guda shida da aka haɗa a cikin fihirisar, tana canza karatun zuwa lambobin AQI, kuma tana ba da rahoton mafi girman lambar AQI ga kowane yanki mai rahoto. Ana kiran faɗakarwar Air Alert zuwa yankin Bay lokacin da ake tsammanin ingancin iska ba zai yi kyau ba a kowane yanki biyar na yankin da ake ba da rahoto.
Ku zo daga https://www.sparetheair.org/understanding-air-quality/reading-the-air-quality-index
Lokacin aikawa: Satumba-09-2022