Ma mua, me ka hoʻomau ʻana o ka ʻino i nā wahi he nui o ka ʻāina, ua lilo ʻo "PM2.5" i huaʻōlelo wela loa i ka ʻepekema kaulana.ʻO ke kumu nui o ka "pahū" o ka waiwai PM2.5 i kēia manawa, ʻo ia ka nui o ka sulfur dioxide, nitrogen oxides a me ka lepo i hana ʻia e ke ahi lanahu.E like me kekahi o...
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