{"id":35313,"date":"2023-12-08T08:03:49","date_gmt":"2023-12-08T08:03:49","guid":{"rendered":"https:\/\/masterskills.org\/blog\/chi-so-chat-luong-khong-khi-air-quality-index-aqi-la-gi.html"},"modified":"2023-12-23T20:59:38","modified_gmt":"2023-12-23T13:59:38","slug":"chi-so-chat-luong-khong-khi-air-quality-index-aqi-la-gi","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/chi-so-chat-luong-khong-khi-air-quality-index-aqi-la-gi.html","title":{"rendered":"Ch\u1ec9 s\u1ed1 ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed (Air Quality Index – AQI) l\u00e0 g\u00ec?"},"content":{"rendered":"
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H\u00ecnh minh h\u1ecda (Ngu\u1ed3n: onairschools)<\/p>\n<\/div>\n<\/div>\n

Ch\u1ec9 s\u1ed1 ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed (Air Quality Index – AQI)<\/font><\/h2>\n

Ch\u1ec9 s\u1ed1 ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed <\/b>– danh t\u1eeb, trong ti\u1ebfng Anh \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0\u00a0Air Quality Index<\/b>, vi\u1ebft t\u1eaft l\u00e0\u00a0AQI<\/b>.<\/p>\n

Ch\u1ec9 s\u1ed1 ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed (AQI)<\/i> l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 b\u00e1o c\u00e1o ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed h\u00e0ng ng\u00e0y. Ch\u1ec9 s\u1ed1 n\u00e0y cho ch\u00fang ta bi\u1ebft kh\u00f4ng kh\u00ed n\u01a1i ch\u00fang ta \u1edf s\u1ea1ch s\u1ebd hay \u00f4 nhi\u1ec5m \u0111\u1ebfn m\u1ee9c n\u00e0o, v\u00e0 nh\u1eefng \u1ea3nh h\u01b0\u1edfng li\u00ean quan \u0111\u1ebfn s\u1ee9c kh\u1ecfe c\u00f3 th\u1ec3 g\u00e2y ra cho con ng\u01b0\u1eddi.<\/p>\n

Ch\u1ec9 s\u1ed1 AQI<\/i> t\u1eadp trung v\u00e0o nh\u1eefng \u1ea3nh h\u01b0\u1edfng v\u1ec1 s\u1ee9c kh\u1ecfe m\u00e0 con ng\u01b0\u1eddi c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i trong v\u00e0i gi\u1edd ho\u1eb7c v\u00e0i ng\u00e0y sau khi ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed b\u1ecb \u00f4 nhi\u1ec5m. C\u01a1 quan b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng Hoa K\u1ef3 (EPA)<\/i> t\u00ednh to\u00e1n ch\u1ec9 s\u1ed1 AQI<\/i> v\u1ec1 5 t\u00e1c nh\u00e2n g\u00e2y \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed ch\u00ednh: Ozone, \u00f4 nhi\u1ec5m h\u1ea1t (b\u1ee5i m\u1ecbn), carbon monoxide, SO2 v\u00e0 NO2. Trong \u0111\u00f3 Ozone v\u00e0 b\u1ee5i m\u1ecbn l\u00e0 nh\u1eefng ch\u1ea5t \u00f4 nhi\u1ec5m \u0111e d\u1ecda l\u1edbn nh\u1ea5t \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi \u1edf c\u00e1c qu\u1ed1c gia.<\/p>\n

\u0110\u1ed1i v\u1edbi m\u1ed7i ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m, EPA thi\u1ebft l\u1eadp c\u00e1c ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed \u0111\u1ec3 b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe c\u1ed9ng \u0111\u1ed3ng.<\/p>\n

AQI ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/font><\/h3>\n

Ch\u1ec9 s\u1ed1 AQI<\/i> l\u00e0 m\u1ed9t th\u01b0\u1edbc \u0111o ch\u1ea1y t\u1eeb 0 \u0111\u1ebfn 500. Gi\u00e1 tr\u1ecb AQI<\/i> c\u00e0ng cao, m\u1ee9c \u0111\u1ed9 \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed v\u00e0 m\u1ed1i \u0111e d\u1ecda \u0111\u1ebfn s\u1ee9c kh\u1ecfe c\u00e0ng l\u1edbn.<\/p>\n

V\u00ed d\u1ee5: gi\u00e1 tr\u1ecb AQI<\/i> l\u00e0 50 ch\u1ee9ng t\u1ecf ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed t\u1ed1t, \u00edt \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe c\u1ee7a c\u1ed9ng \u0111\u1ed3ng. Ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu gi\u00e1 tr\u1ecb AQI<\/i> \u1edf tr\u00ean con s\u1ed1 300 ch\u1ee9ng t\u1ecf ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed nguy hi\u1ec3m, \u0111e d\u1ecda r\u1ea5t l\u1edbn \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi.<\/p>\n

Gi\u00e1 tr\u1ecb AQI<\/i> l\u00e0 100 th\u01b0\u1eddng t\u01b0\u01a1ng \u1ee9ng v\u1edbi ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed qu\u1ed1c gia \u0111\u1ed1i v\u1edbi c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m n\u00f3i tr\u00ean, l\u00e0 m\u1ee9c EPA \u0111\u1eb7t ra \u0111\u1ec3 b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe c\u1ee7a c\u1ed9ng \u0111\u1ed3ng.<\/p>\n

M\u1ee5c \u0111\u00edch c\u1ee7a AQI <\/i>nh\u1eb1m gi\u00fap con ng\u01b0\u1eddi hi\u1ec3u \u0111\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed c\u1ee5c b\u1ed9 c\u00f3 \u00fd ngh\u0129a nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ed1i v\u1edbi s\u1ee9c kh\u1ecfe. \u0110\u1ec3 d\u1ec5 hi\u1ec3u h\u01a1n, AQI <\/i>\u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c m\u1ee9c nh\u01b0 sau:<\/p>\n

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Ngu\u1ed3n: Air Now<\/p>\n<\/div>\n<\/div>\n

– Nh\u00f3m m\u00e0u xanh l\u00e1 th\u1ec3 hi\u1ec7n gi\u00e1 tr\u1ecb AQI<\/i> t\u1eeb 0 \u0111\u1ebfn 50, kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe.<\/p>\n

– Nh\u00f3m m\u00e0u v\u00e0ng c\u00f3 gi\u00e1 tr\u1ecb AQI<\/i> t\u1eeb 51 \u0111\u1ebfn 100, ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed \u1edf m\u1ee9c ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c, tuy nhi\u00ean nh\u1eefng ng\u01b0\u1eddi nh\u1ea1y c\u1ea3m n\u00ean h\u1ea1n ch\u1ebf ra ngo\u00e0i.<\/p>\n

– Nh\u00f3m m\u00e0u cam: gi\u00e1 tr\u1ecb AQI <\/i>t\u1eeb 101 \u0111\u1ebfn 150, ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed kh\u00f4ng l\u00e0nh m\u1ea1nh, ng\u01b0\u1eddi d\u00e2n n\u00ean h\u1ea1n ch\u1ebf ra ngo\u00e0i.<\/p>\n

– Nh\u00f3m m\u00e0u \u0111\u1ecf c\u00f3 gi\u00e1 tr\u1ecb AQI<\/i> t\u1eeb 151 \u0111\u1ebfn 200, ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed k\u00e9m, c\u00f3 th\u1ec3 g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe m\u1ecdi ng\u01b0\u1eddi.<\/p>\n

– Nh\u00f3m m\u00e0u t\u00edm c\u00f3 gi\u00e1 tr\u1ecb AQI<\/i> t\u1eeb 201 \u0111\u1ebfn 300, c\u1ea3nh b\u00e1o v\u1ec1 t\u00ecnh tr\u1ea1ng kh\u1ea9n c\u1ea5p li\u00ean quan \u0111\u1ebfn s\u1ee9c kh\u1ecfe.<\/p>\n

– Nh\u00f3m m\u00e0u \u0111\u1ecf c\u00f3 gi\u00e1 tr\u1ecb AQI <\/b>t\u1eeb 301 \u0111\u1ebfn 500, \u0111\u00e2y l\u00e0 t\u00ecnh tr\u1ea1ng b\u00e1o \u0111\u1ed9ng, con ng\u01b0\u1eddi \u0111ang b\u1ecb \u0111e d\u1ecda nghi\u00eam tr\u1ecdng v\u1ec1 s\u1ee9c kh\u1ecfe. (Theo Air Now<\/i>)<\/p>\n

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\n Ch\u1ec9 s\u1ed1 ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed (ti\u1ebfng Anh: Air Quality Index, vi\u1ebft t\u1eaft: AQI) l\u00e0 ch\u1ec9 s\u1ed1 nh\u1eadn \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u s\u1ef1 quan t\u00e2m trong th\u1eddi gian g\u1ea7n \u0111\u00e2y.\n <\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[420],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/35313"}],"collection":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/comments?post=35313"}],"version-history":[{"count":2,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/35313\/revisions"}],"predecessor-version":[{"id":68377,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/35313\/revisions\/68377"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=35313"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=35313"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=35313"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}