Trong th\u00e0nh ph\u1ed1, c\u00e1c lo\u1ea1i xe h\u01a1i, xe bu\u00fdt, m\u00e1y bay, nh\u1eefng c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng v\u00e0 ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u1ec1u c\u00f3 th\u1ec3 g\u00e2y n\u00ean \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed. \u1ede v\u00f9ng n\u00f4ng th\u00f4n, b\u1ee5i g\u00e2y ra do m\u00e1y c\u00e0y, xe c\u00f4ng n\u00f4ng v\u00e0 xe h\u01a1i ch\u1ea1y tr\u00ean \u0111\u01b0\u1eddng \u0111\u1ea5t, \u0111\u01b0\u1eddng tr\u00e1ng nh\u1ef1a hay do m\u1ecf \u0111\u00e1 ho\u1eb7c do kh\u00f3i g\u00e2y ra t\u1eeb vi\u1ec7c \u0111\u1ed1t g\u1ed7 v\u00e0 r\u01a1m r\u1ea1 l\u00e0 nh\u1eefng nguy\u00ean nh\u00e2n g\u00e2y \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed. <\/span> <\/span><\/p>\n T\u1ea7ng oz\u00f4n th\u1ea5p d\u01b0\u1edbi m\u1eb7t \u0111\u1ea5t l\u00e0 th\u00e0nh ph\u1ea7n ch\u00ednh trong \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed \u1edf h\u1ea7u h\u1ebft c\u00e1c th\u00e0nh ph\u1ed1. T\u1ea7ng oz\u00f4n n\u00e0y \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh do s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c ch\u1ea5t kh\u00ed \u0111\u1ed1t c\u1ee7a m\u00e1y m\u00f3c v\u00e0 nhi\u00ean li\u1ec7u khi ch\u00fang b\u1ecb \u00e1nh s\u00e1ng chi\u1ebfu v\u00e0o. T\u1ea7ng oz\u00f4n n\u00e0y t\u0103ng l\u00ean khi tr\u1eddi l\u1eb7n gi\u00f3, nhi\u1ec1u n\u1eafng v\u00e0 nhi\u1ec7t \u0111\u1ed9 n\u00f3ng.<\/span><\/span><\/p>\n Ch\u00fang ta \u0111\u1eebng nh\u1ea7m l\u1eabn gi\u1eefa t\u1ea7ng oz\u00f4n b\u1ec1 m\u1eb7t n\u00e0y v\u1edbi t\u1ea7ng oz\u00f4n t\u1ed1t v\u1ed1n \u1edf tr\u00ean cao nhi\u1ec1u kilomet trong kh\u00ed quy\u1ec3n v\u00e0 c\u00f3 t\u00e1c d\u1ee5ng b\u1ea3o v\u1ec7 ch\u00fang ta kh\u1ecfi tia ph\u00f3ng x\u1ea1 c\u00f3 h\u1ea1i t\u1eeb m\u1eb7t tr\u1eddi. <\/span> <\/span><\/p>\n \u00d4 nhi\u1ec5m kh\u00f4ng kh\u00ed c\u00f3 th\u1ec3 g\u00e2y k\u00edch th\u00edch cho m\u1eaft, h\u1ecdng v\u00e0 ph\u1ed5i. Cay m\u1eaft, ho, n\u1eb7ng ng\u1ef1c<\/strong><\/em> l\u00e0 tri\u1ec7u ch\u1ee9ng th\u01b0\u1eddng g\u1eb7p khi ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed \u00f4 nhi\u1ec5m n\u1eb7ng. <\/span> <\/span><\/p>\n M\u1ed7i ng\u01b0\u1eddi c\u00f3 ph\u1ea3n \u1ee9ng kh\u00e1c nhau. M\u1ed9t s\u1ed1 ng\u01b0\u1eddi c\u1ea3m th\u1ea5y n\u1eb7ng ng\u1ef1c, ho, trong khi nh\u1eefng ng\u01b0\u1eddi kh\u00e1c l\u1ea1i kh\u00f4ng b\u1ecb g\u00ec. T\u1eadp th\u1ec3 d\u1ee5c c\u00f3 th\u1ec3 l\u00e0m c\u00e1c tri\u1ec7u ch\u1ee9ng tr\u1edf n\u00ean tr\u1ea7m tr\u1ecdng h\u01a1n do khi t\u1eadp th\u1ec3 d\u1ee5c, ng\u01b0\u1eddi ta th\u01b0\u1eddng th\u1edf nhanh v\u00e0 h\u00edt s\u00e2u h\u01a1n. Nh\u1eefng ng\u01b0\u1eddi c\u00f3 b\u1ec7nh tim m\u1ea1ch nh\u01b0 \u0111au th\u1eaft ng\u1ef1c<\/a>, b\u1ec7nh ph\u1ed5i nh\u01b0 hen suy\u1ec5n<\/a> hay kh\u00ed ph\u1ebf th\u1ee7ng c\u00f3 th\u1ec3 s\u1ebd r\u1ea5t nh\u1ea1y c\u1ea3m khi ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed \u00f4 nhi\u1ec5m. Nh\u1eefng ng\u01b0\u1eddi n\u00e0y c\u00f3 th\u1ec3 c\u00f3 tri\u1ec7u ch\u1ee9ng trong khi nh\u1eefng ng\u01b0\u1eddi kh\u00e1c l\u1ea1i kh\u00f4ng b\u1ecb g\u00ec. <\/span> <\/span><\/p>\n Th\u1eadt may m\u1eafn khi h\u1ea7u h\u1ebft tri\u1ec7u ch\u1ee9ng g\u00e2y ra do ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed \u00f4 nhi\u1ec5m \u1edf nh\u1eefng ng\u01b0\u1eddi kh\u1ecfe m\u1ea1nh s\u1ebd t\u1ef1 kh\u1ecfi khi ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n. Tuy nhi\u00ean, m\u1ed9t s\u1ed1 ng\u01b0\u1eddi l\u1ea1i c\u00f3 khuynh h\u01b0\u1edbng nh\u1ea1y c\u1ea3m h\u01a1n v\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed h\u01a1n nh\u1eefng ng\u01b0\u1eddi kh\u00e1c. <\/span> <\/span><\/p>\n Tr\u1ebb em c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng c\u1ee7a \u00f4 nhi\u1ec3m kh\u00f4ng kh\u00ed \u1edf m\u1ee9c th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi ng\u01b0\u1eddi l\u1edbn. Tr\u1ebb em \u1edf v\u00f9ng kh\u00f4ng kh\u00ed \u00f4 nhi\u1ec5m n\u1eb7ng s\u1ebd b\u1ecb b\u1ec7nh nhi\u1ec1u h\u01a1n nh\u1eefng tr\u1ebb s\u1ed1ng \u1edf v\u00f9ng kh\u00f4ng kh\u00ed s\u1ea1ch h\u01a1n, v\u00ed d\u1ee5 nh\u01b0 b\u1ecb vi\u00eam ph\u1ebf qu\u1ea3n, ho\u1eb7c \u0111au tai. <\/span> <\/span><\/p>\n Nh\u1eefng ng\u01b0\u1eddi c\u00f3 ti\u1ec1n s\u1eed b\u1ec7nh tim ho\u1eb7c b\u1ec7nh ph\u1ed5i s\u1ebd c\u00f3 tri\u1ec7u ch\u1ee9ng nghi\u00eam tr\u1ecdng h\u01a1n khi kh\u00f4ng kh\u00ed b\u1ecb \u00f4 nhi\u1ec5m. Trong su\u1ed1t kho\u1ea3ng th\u1eddi gian kh\u00f4ng kh\u00ed b\u1ecb \u00f4 nhi\u1ec5m n\u1eb7ng, b\u1ec7nh c\u1ee7a h\u1ecd c\u00f3 th\u1ec3 tr\u1ea7m tr\u1ecdng t\u1edbi m\u1ee9c h\u1ea1n ch\u1ebf ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c ch\u0103m s\u00f3c y t\u1ebf \u0111\u1eb7c bi\u1ec7t. Tr\u01b0\u1edbc \u0111\u00e2y, c\u00f3 m\u1ed9t s\u1ed1 ca t\u1eed vong li\u00ean quan \u0111\u1ebfn t\u00ecnh tr\u1ea1ng \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed tr\u1ea7m tr\u1ecdng \u0111\u01b0\u1ee3c ghi nh\u1eadn. T\u00ecnh tr\u1ea1ng n\u00e0y hi\u1ec7n nay \u00edt g\u1eb7p t\u1ea1i M\u1ef9. \u00d4 nhi\u1ec5m kh\u00f4ng kh\u00ed m\u1ee9c \u0111\u1ed9 nh\u1eb9 \u1ea3nh h\u01b0\u1edfng l\u00e2u d\u00e0i \u0111\u1ebfn s\u1ee9c kh\u1ecfe c\u1ee7a con ng\u01b0\u1eddi nh\u01b0 th\u1ebf n\u00e0o hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u. <\/span> <\/span><\/p>\n![\"\u00d4](\"https:\/\/yhoccongdong.com\/du-an-khac\/wp-content\/uploads\/sites\/6\/2013\/08\/o-nhiem-khong-khi.jpg\")
<\/span> <\/span><\/p>\n\u00d4 nhi\u1ec5m kh\u00f4ng kh\u00ed c\u00f3 th\u1ec3 g\u00e2y n\u00ean tri\u1ec7u ch\u1ee9ng g\u00ec?<\/h2>\n
Kh\u00f4ng kh\u00ed \u00f4 nhi\u1ec5m c\u00f3 \u1ea3nh h\u01b0\u1edfng x\u1ea5u \u0111\u1ebfn s\u1ee9c kh\u1ecfe c\u1ee7a t\u00f4i kh\u00f4ng?<\/h2>\n
C\u00f3 t\u1ed5 ch\u1ee9c n\u00e0o theo d\u00f5i m\u1ee9c \u0111\u1ed9 \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed kh\u00f4ng?<\/h2>\n