{"id":3026,"date":"2026-10-12T08:00:00","date_gmt":"2026-10-12T01:00:00","guid":{"rendered":"https:\/\/dykhoa.com\/blog\/?post_type=thuat_ngu&amp;p=3025"},"modified":"2026-10-12T08:00:00","modified_gmt":"2026-10-12T01:00:00","slug":"bui-min-pm25-particulate-matter","status":"publish","type":"thuat_ngu","link":"https:\/\/dykhoa.com\/blog\/thuat-ngu\/bui-min-pm25-particulate-matter\/","title":{"rendered":"B\u1ee5i m\u1ecbn PM2.5 (particulate matter PM2.5) l\u00e0 g\u00ec?"},"content":{"rendered":"<p>H\u01b0\u1edbng d\u1eabn ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed c\u1ee7a WHO n\u0103m 2021 x\u00e1c \u0111\u1ecbnh PM2.5 l\u00e0 m\u1ed9t trong nh\u1eefng s\u00e1t th\u1ee7 th\u1ea7m l\u1eb7ng nguy hi\u1ec3m nh\u1ea5t \u0111\u1ed1i v\u1edbi s\u1ee9c kh\u1ecfe tim m\u1ea1ch v\u00e0 h\u00f4 h\u1ea5p to\u00e0n c\u1ea7u (WHO, 2021). Xem b\u00e0i <a href=\"https:\/\/dykhoa.com\/blog\/blog\/o-nhiem-khong-khi-hai-tim-mach-nao-bo\/\">\u00d4 nhi\u1ec5m kh\u00f4ng kh\u00ed h\u1ea1i tim m\u1ea1ch v\u00e0 n\u00e3o b\u1ed9<\/a>.<\/p>\n<h2>T\u00e1c h\u1ea1i v\u01b0\u1ee3t ngo\u00e0i ph\u1ed5i<\/h2>\n<p>Do k\u00edch th\u01b0\u1edbc si\u00eau nh\u1ecf, PM2.5 v\u01b0\u1ee3t qua h\u00e0ng r\u00e0o bi\u1ec3u m\u00f4 ph\u1ed5i, mang theo kim lo\u1ea1i n\u1eb7ng v\u00e0 \u0111\u1ed9c ch\u1ea5t h\u1eefu c\u01a1 \u0111i th\u1eb3ng v\u00e0o m\u1ea1ch m\u00e1u, g\u00e2y x\u01a1 v\u1eefa \u0111\u1ed9ng m\u1ea1ch, \u0111\u1ed9t qu\u1ef5 v\u00e0 suy gi\u1ea3m nh\u1eadn th\u1ee9c.<\/p>\n<h2>Khuy\u1ebfn ngh\u1ecb kh\u1ea9u trang<\/h2>\n<p>Kh\u1ea9u trang v\u1ea3i th\u00f4ng th\u01b0\u1eddng kh\u00f4ng l\u1ecdc \u0111\u01b0\u1ee3c PM2.5; c\u00f4ng ch\u00fang c\u1ea7n s\u1eed d\u1ee5ng kh\u1ea9u trang \u0111\u1ea1t chu\u1ea9n N95, KF94 ho\u1eb7c FFP2 khi AQI \u1edf m\u1ee9c nguy h\u1ea1i.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u1ee5i m\u1ecbn PM2.5 l\u00e0 c\u00e1c h\u1ea1t v\u1eadt ch\u1ea5t th\u1ec3 r\u1eafn ho\u1eb7c l\u1ecfng l\u01a1 l\u1eedng trong kh\u00f4ng kh\u00ed c\u00f3 \u0111\u01b0\u1eddng k\u00ednh kh\u00ed \u0111\u1ed9ng h\u1ecdc nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng 2,5 microm\u00e9t, c\u00f3 kh\u1ea3 n\u0103ng x\u00e2m nh\u1eadp s\u00e2u v\u00e0o t\u1eadn ph\u1ebf nang v\u00e0 \u0111i v\u00e0o h\u1ec7 tu\u1ea7n ho\u00e0n m\u00e1u.<\/p>\n","protected":false},"author":1,"featured_media":0,"template":"","nhom_thuat_ngu":[473],"class_list":["post-3026","thuat_ngu","type-thuat_ngu","status-publish","hentry","nhom_thuat_ngu-truyen-thong-suc-khoe"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>B\u1ee5i m\u1ecbn PM2.5 (particulate matter PM2.5) l\u00e0 g\u00ec? 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