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AST-1-2 na'ura ce don ainihin-lokaci, ma'auni guda ɗaya na ƙwayoyin cuta na yanayi, ƙwayoyin cuta, pollen da sauran bioaerosols. Yana auna haske don ganin kasancewar kayan halitta a cikin barbashi kuma yana ba da cikakkun bayanai game da girman, ma'aunin dangi, da kaddarorin kyalli don ba da damar rarraba pollen, ƙwayoyin cuta da fungi.