{"id":11658,"date":"2020-07-22T14:04:53","date_gmt":"2020-07-22T06:04:53","guid":{"rendered":"https:\/\/smartairfilters.com\/?p=11658"},"modified":"2020-08-19T04:33:27","modified_gmt":"2020-08-18T20:33:27","slug":"china-air-quality-pm25-improved-2020-covid-19-reason","status":"publish","type":"post","link":"https:\/\/smartairfilters.com\/zh\/blog\/china-air-quality-pm25-improved-2020-covid-19-reason\/","title":{"rendered":"\u5728\u75ab\u60c5\u4e2d\u4e58\u98ce\u7834\u6d6a\u76842020\u5e74\u7a7a\u6c14\u8d28\u91cf\u62a5\u544a\uff01"},"content":{"rendered":"<p><\/p>\n<h3 style=\"text-align: center\">\u4e2d\u56fd\u7a7a\u6c14\u8d28\u91cf\uff0c\u6709\u4f55\u53d8\u5316\uff1f<\/h3>\n<p><span>2020<\/span>\u5e74\u7684\u6211\u4eec\u56e0\u4e3a\u75ab\u60c5\u7684\u5f71\u54cd\uff0c<span>2020<\/span>\u5e74\u7684\u7a7a\u6c14\u8d28\u91cf\u5e94\u5f53\u6bd4<span>2019<\/span>\u8fdb\u6b65\u8bb8\u591a\u3002\u5230\u5e95<span>2020<\/span>\u5e74\u7684\u4e2d\u56fd\uff0c\u7a7a\u6c14\u8d28\u91cf\u662f\u5426\u6709\u6240\u597d\u8f6c\uff1f<span>Smart Air<\/span>\u5206\u6790\u4e86\u4e2d\u56fd<span>11<\/span>\u4e2a\u57ce\u5e02\u7684<span>PM2.5<\/span>\u6570\u503c\uff0c\u53d1\u73b0\u7684\u7684\u786e\u786e\u8fd9\u5341\u4e00\u4e2a\u57ce\u5e02\u91cc\u9762\uff0c<span>PM2.5<\/span>\u72b6\u51b5\u6709\u6240\u6539\u89c2\u3002\u503c\u5f97\u4e00\u63d0\u7684\u662f\uff0c\u6b66\u6c49\u7684<span>PM2.5<\/span>\u662f\u540c\u6bd4\u4e0b\u964d\u6700\u591a\u7684\u3002\u4f46\u662f\u6709\u4e24\u4e2a\u57ce\u5e02<span>2020<\/span>\u5e74<span>PM2.5<\/span>\u6307\u6570\u6bd4<span>2019<\/span>\u5e74\u6709\u6240\u4e0a\u5347\uff0c\u6765\u4e00\u8d77\u770b\u770b\u662f\u4f60\u7684\u57ce\u5e02\u561b\uff1f<\/p>\n<p><span> <img loading=\"lazy\" decoding=\"async\" src=\"\/wordpress\/wp-content\/uploads\/2020\/07\/\u4e2d\u56fd\u5e73\u5747-600x401.png\" alt=\"China PM2.5 decreased 9% in 2020\" width=\"502\" height=\"335\" class=\"aligncenter wp-image-11732\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u4e2d\u56fd\u5e73\u5747-600x401.png 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u4e2d\u56fd\u5e73\u5747-1024x684.png 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u4e2d\u56fd\u5e73\u5747-300x200.png 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u4e2d\u56fd\u5e73\u5747-768x513.png 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u4e2d\u56fd\u5e73\u5747.png 1065w\" sizes=\"(max-width: 502px) 100vw, 502px\" \/><\/span><\/p>\n<p>\u6574\u4f53\u6765\u770b\uff0c\u5168\u56fd<span>2020<\/span>\u5e74\u4e0a\u534a\u5e74<span>PM2.5<\/span>\u5e73\u5747\u4e0b\u964d\u4e86<span>9%<\/span><span>\u00a0\u00a0 <\/span>\u4e0e<span>2019<\/span>\u5e74\u4e0a\u534a\u5e74\u6bd4\u3002<\/p>\n<p>\u7136\u800c\uff0c\u9020\u6210\u8fd9\u79cd\u60c5\u51b5\u7684\u539f\u56e0\u4e3b\u8981\u5982\u4e0b\uff1a<\/p>\n<p>\u75ab\u60c5\u7684\u5f71\u54cd\u3002\u56e0\u4e3a\u75ab\u60c5\u671f\u95f4\uff0c\u5927\u5bb6\u90fd\u4f1a\u51e0\u4e4e\u505a\u5230\u5f88\u5c11\u5f88\u5c11\u7684\u5916\u51fa\uff0c\u56e0\u6b64<span><a href=\"https:\/\/www.carbonbrief.org\/analysis-coronavirus-has-temporarily-reduced-chinas-co2-emissions-by-a-quarter?utm_content=buffer13750&amp;utm_medium=social&amp;utm_source=twitter.com&amp;utm_campaign=buffer\">\u6c7d\u8f66\u5c3e\u6c14\u7684\u6392\u653e\uff0c\u8fd8\u6709\u5de5\u5382\u7684\u505c\u5de5<\/a><\/span>\u4f1a\u5e2e\u52a9<span>PM2.5<\/span>\u7684\u964d\u4f4e\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/wordpress\/wp-content\/uploads\/2020\/07\/\u4e0a\u534a\u5e74-600x351.png\" alt=\"9\/11 China's major cities PM2.5 decreased in 2020\" width=\"600\" height=\"351\" class=\"aligncenter wp-image-11734 size-medium\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u4e0a\u534a\u5e74-600x351.png 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u4e0a\u534a\u5e74-1024x599.png 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u4e0a\u534a\u5e74-300x176.png 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u4e0a\u534a\u5e74-768x450.png 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u4e0a\u534a\u5e74-1536x899.png 1536w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u4e0a\u534a\u5e74.png 1623w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u5982\u679c\u628a\u6570\u636e\u5206\u6708\u5206\u6790\uff0c\u80fd\u770b\u51fa\u6765\u54c8\u5c14\u6ee8\u4e0e\u6c88\u9633\u7684\u4e00\u6708\u548c\u56db\u6708\u4efd\u7a7a\u6c14\u8d28\u91cf\u6bd4<span>2019<\/span>\u5e74\u5dee\u5f88\u591a\u3002<\/p>\n<p><span> <img loading=\"lazy\" decoding=\"async\" src=\"\/wordpress\/wp-content\/uploads\/2020\/07\/\u5f69\u56fe-ch-600x443.png\" alt=\"China's cities PM2.5 increased or decreased in 2020\" width=\"425\" height=\"314\" class=\"aligncenter wp-image-11715\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u5f69\u56fe-ch-600x443.png 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u5f69\u56fe-ch-1024x756.png 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u5f69\u56fe-ch-300x221.png 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u5f69\u56fe-ch-768x567.png 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u5f69\u56fe-ch.png 1161w\" sizes=\"(max-width: 425px) 100vw, 425px\" \/><\/span><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<h3 style=\"text-align: center\"><strong>\u5357\u65b9<span> VS <\/span>\u5317\u65b9 <span>&#8211; PM2.5<\/span>\u8d28\u91cf<\/strong><\/h3>\n<p><strong>\u5317\u4eac\uff1a<\/strong>\u5317\u4eac\u5e73\u5747\u4e0b\u964d\u4e86<span>9%.<\/span><\/p>\n<p><strong><span> <img loading=\"lazy\" decoding=\"async\" src=\"\/wordpress\/wp-content\/uploads\/2020\/07\/\u5317\u4eac-ch-600x401.png\" alt=\"Beijing PM2.5 decreased 9% in 2020\" width=\"505\" height=\"337\" class=\"aligncenter wp-image-11711\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u5317\u4eac-ch-600x401.png 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u5317\u4eac-ch-1024x684.png 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u5317\u4eac-ch-300x200.png 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u5317\u4eac-ch-768x513.png 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u5317\u4eac-ch.png 1065w\" sizes=\"(max-width: 505px) 100vw, 505px\" \/><\/span><\/strong><\/p>\n<p>\u867d\u7136\u5317\u4eac\u4e00\u6708\u548c\u4e8c\u6708\u540c\u6bd4\u8fd8\u662f\u4e0a\u5347\u7684\u8d8b\u52bf\uff0c\u4f46\u5f53<span>3-6<\/span>\u6708\u6708\u7684\u65f6\u5019\uff0c<span>PM2.5<\/span>\u6307\u6570\u540c\u6bd4\u9aa4\u964d\uff0c\u8ba9\u5317\u4eac\u4e0a\u534a\u5e74\u5e73\u5747\u964d\u4f4e<span>9%<\/span>\u3002<\/p>\n<p><span> <img loading=\"lazy\" decoding=\"async\" src=\"\/wordpress\/wp-content\/uploads\/2020\/07\/\u5317\u4eac\u6761-ch-600x375.png\" alt=\"Beijing PM2.5 level 2019 vs 2020\" width=\"501\" height=\"313\" class=\"aligncenter wp-image-11713\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u5317\u4eac\u6761-ch-600x375.png 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u5317\u4eac\u6761-ch-1024x640.png 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u5317\u4eac\u6761-ch-300x188.png 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u5317\u4eac\u6761-ch-768x480.png 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u5317\u4eac\u6761-ch.png 1196w\" sizes=\"(max-width: 501px) 100vw, 501px\" \/><\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><strong>\u54c8\u5c14\u6ee8\uff1a<\/strong><\/p>\n<p>\u54c8\u5c14\u6ee8\u5e02\u5176\u4e2d\u4e24\u4e2a\u57ce\u5e02<span>PM2.5<\/span>\u6574\u4f53\u4e0a\u5347\u3002\u54c8\u5c14\u6ee8\u7684\u4e0a\u5347\u6700\u5389\u5bb3\uff1a<span>23%<\/span>\u3002 <span>23%<\/span>\u662f\u8fd9<span>11<\/span>\u4e2a\u57ce\u5e02\u4e0a\u5347\u4e4b\u6700\u3002<\/p>\n<p><strong><span> <img loading=\"lazy\" decoding=\"async\" src=\"\/wordpress\/wp-content\/uploads\/2020\/07\/\u54c8\u5c14\u6ee8-ch-600x400.png\" alt=\"Harbin 2020 first half year PM2.5 increased 23%\" width=\"504\" height=\"336\" class=\"aligncenter wp-image-11717\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u54c8\u5c14\u6ee8-ch-600x400.png 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u54c8\u5c14\u6ee8-ch-1024x683.png 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u54c8\u5c14\u6ee8-ch-300x200.png 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u54c8\u5c14\u6ee8-ch-768x512.png 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u54c8\u5c14\u6ee8-ch.png 1065w\" sizes=\"(max-width: 504px) 100vw, 504px\" \/><\/span><\/strong><\/p>\n<p>\u5c24\u5176\u5728\u4e00\u6708\u548c\u56db\u6708\uff0c\u5206\u522b\u7adf\u4e0a\u6da8\u4e86<span>106%<\/span>\u548c<span>155%<\/span>\uff0c\u4e0e<span>2019<\/span>\u5e74<span> 1<\/span>\u6708\u4e0e<span>4<\/span>\u6708\u76f8\u6bd4\u3002\u8fd9\u4e2a\u6570\u503c\u771f\u7684\u5f88\u60ca\u4eba\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/wordpress\/wp-content\/uploads\/2020\/07\/\u54c8\u5c14\u6ee8\u6761-ch-600x365.png\" alt=\"Harbin PM2.5 2019 vs 2020 presented monthly\" width=\"519\" height=\"316\" class=\"aligncenter wp-image-11719\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u54c8\u5c14\u6ee8\u6761-ch-600x365.png 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u54c8\u5c14\u6ee8\u6761-ch-1024x623.png 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u54c8\u5c14\u6ee8\u6761-ch-300x182.png 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u54c8\u5c14\u6ee8\u6761-ch-768x467.png 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u54c8\u5c14\u6ee8\u6761-ch.png 1233w\" sizes=\"(max-width: 519px) 100vw, 519px\" \/><\/p>\n<p><strong>\u6c88\u9633:<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/wordpress\/wp-content\/uploads\/2020\/07\/\u6c88\u9633-ch-600x401.png\" alt=\"Shenyang first half year PM2.5 level increased 2%\" width=\"504\" height=\"337\" class=\"aligncenter wp-image-11725\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u6c88\u9633-ch-600x401.png 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u6c88\u9633-ch-1024x684.png 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u6c88\u9633-ch-300x200.png 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u6c88\u9633-ch-768x513.png 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u6c88\u9633-ch.png 1065w\" sizes=\"(max-width: 504px) 100vw, 504px\" \/><\/p>\n<p>\u6c88\u9633\u5e73\u5747\u4e0a\u5347\u4e86<span>1%<\/span>\uff0c\u5c24\u5176\u5728\u4e00\u6708\u548c\u56db\u6708\u4e5f\u7adf\u7136\u5206\u522b\u4e0a\u6da8\u4e86<span>53%<\/span>\u548c<span>45%<\/span>\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3 style=\"text-align: center\">\u800c\u4e1c\u5317\u4e3a\u5565\u4e0a\u6da8\u4e86\u8fd9\u4e48\u591a\u5462\uff01<\/h3>\n<p>\u4ee5\u519c\u4e1a\u5927\u7701\u9ed1\u9f99\u6c5f\u4e3a\u4f8b\uff0c\u6709<span><a href=\"https:\/\/k.sina.com.cn\/article_1644114654_61ff32de02000yjzh.html?cre=tianyi&amp;mod=pcpager_news&amp;loc=30&amp;r=9&amp;rfunc=35&amp;tj=none&amp;tr=9&amp;sudaref=www.baidu.com&amp;display=0&amp;retcode=0\">\u5173\u8c03\u7814\u663e\u793a<\/a><\/span>\u5176\u79f8\u79c6\u5e74\u4ea7\u91cf\u7ea6<span>1<\/span>\u4ebf\u5428\uff0c\u4f46\u7efc\u5408\u5229\u7528\u7387\u8f83\u4f4e\uff0c\u901a\u5e38\u5728\u6625\u8015\u524d\u8fdb\u884c\u5927\u89c4\u6a21\u79f8\u79c6\u9732\u5929\u711a\u70e7\uff0c\u4f7f\u5f53\u5730\u4ee5\u53ca\u5468\u906d\u5730\u533a\u7a7a\u6c14\u8d28\u91cf\u663e\u8457\u8f6c\u5dee\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/wordpress\/wp-content\/uploads\/2020\/07\/land-area-600x460.jpg\" alt=\"China arable land area \" width=\"517\" height=\"396\" class=\"aligncenter wp-image-11736\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/land-area-600x460.jpg 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/land-area-300x230.jpg 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/land-area.jpg 679w\" sizes=\"(max-width: 517px) 100vw, 517px\" \/><\/p>\n<h3 style=\"text-align: center\"><strong>\u5357\u65b9\u7684<span>PM2.5<\/span><\/strong><strong>\u600e\u4e48\u6837\u5462<\/strong><\/h3>\n<p><strong>\u4e0a\u6d77\uff1a <\/strong><\/p>\n<p>\u4e0a\u6d77\u5e73\u5747\u4e0b\u964d\u4e86<span>11%<\/span>\uff0c\u4e00\u6708\uff0c\u4e94\u6708\u4ee5\u53ca\u516d\u6708\uff0c\u5c0f\u5e45\u5ea6\u4e0a\u6da8\u4e86<span>9%<\/span>\uff0c<span>19%<\/span>\u548c<span>2%<\/span>\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/wordpress\/wp-content\/uploads\/2020\/07\/\u4e0a\u6d77-ch-600x401.png\" alt=\"Shanghai first half year PM2.5 level decreased 11%\" width=\"504\" height=\"337\" class=\"aligncenter wp-image-11721\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u4e0a\u6d77-ch-600x401.png 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u4e0a\u6d77-ch-1024x684.png 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u4e0a\u6d77-ch-300x200.png 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u4e0a\u6d77-ch-768x513.png 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u4e0a\u6d77-ch.png 1065w\" sizes=\"(max-width: 504px) 100vw, 504px\" \/><\/p>\n<p>\u4ece\u4e0b\u56fe\u53ef\u4ee5\u770b\u51fa\u6765\uff0c\u5728\u75ab\u60c5\u671f\u95f4\u7684\u7a7a\u6c14\u8d28\u91cf\u7ef4\u6301\u7684\u8fd8\u662f\u4e0d\u9519\uff0c\u4f46\u662f\u5728\u4e94\u6708\uff0c\u5f53\u4eba\u4eec\u6062\u590d\u6b63\u5e38\u751f\u6d3b\u4e4b\u65f6\uff0c\u7a7a\u6c14\u8d28\u91cf\u53c8\u53d8\u5f97\u66f4\u52a0\u4e25\u91cd\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/wordpress\/wp-content\/uploads\/2020\/07\/\u4e0a\u6d77\u6761-ch-600x369.png\" alt=\"Shanghai PM2.5 level 2019 vs 2020 shows monthly\" width=\"512\" height=\"315\" class=\"aligncenter wp-image-11723\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u4e0a\u6d77\u6761-ch-600x369.png 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u4e0a\u6d77\u6761-ch-1024x631.png 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u4e0a\u6d77\u6761-ch-300x185.png 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u4e0a\u6d77\u6761-ch-768x473.png 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u4e0a\u6d77\u6761-ch.png 1257w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/p>\n<p><strong>\u6b66\u6c49\uff1a<\/strong><\/p>\n<p>\u6b66\u6c49\u5e73\u5747\u4e0b\u964d\u4e86<span>29%<\/span>\u662f\u8fd9\u5341\u4e00\u4e2a\u57ce\u5e02\u4e4b\u6700\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/wordpress\/wp-content\/uploads\/2020\/07\/wuhan-600x401.png\" alt=\"Wuhan first half year PM2.5 level decreased 29%\" width=\"501\" height=\"335\" class=\"aligncenter wp-image-11735\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/wuhan-600x401.png 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/wuhan-1024x684.png 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/wuhan-300x200.png 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/wuhan-768x513.png 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/wuhan.png 1064w\" sizes=\"(max-width: 501px) 100vw, 501px\" \/><\/p>\n<p>\u6bcf\u4e2a\u6708\u90fd\u6709\u5f88\u5ba2\u89c2\u7684\u4e0b\u964d\u3002\u4e3b\u8981\u539f\u56e0\u662f\u56e0\u4e3a\u75ab\u60c5\u671f\u95f4\u5f88\u4e25\u683c\u7684\u5c01\u57ce\u7ba1\u7406\uff08<span>1<\/span>\u6708\u5e95\u81f3<span>3<\/span>\u6708\u5e95\uff09\u3002<\/p>\n<p><span> <img loading=\"lazy\" decoding=\"async\" src=\"\/wordpress\/wp-content\/uploads\/2020\/07\/\u6b66\u6c49-ch-600x392.png\" alt=\"Wuhan PM2.5 level 2019 vs 2020 presented monthly\" width=\"513\" height=\"335\" class=\"aligncenter wp-image-11727\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u6b66\u6c49-ch-600x392.png 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u6b66\u6c49-ch-1024x670.png 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u6b66\u6c49-ch-300x196.png 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u6b66\u6c49-ch-768x502.png 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/\u6b66\u6c49-ch.png 1257w\" sizes=\"(max-width: 513px) 100vw, 513px\" \/><\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p>\u4ece\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\u4e0a\u6d77\u6210\u90fd\u4e24\u5730\u7684<span>PM2.5<\/span>\u5728\u6700\u8fd1\u7684\u4e94\u6708\u4ee5\u53ca<span>6<\/span>\u6708\uff0c\u6709\u6240\u4e0a\u6da8\u3002\u56e0\u6b64\uff0c\u54ea\u6015\u5927\u5bb6\u5df2\u7ecf\u6062\u590d\u4e86\u6b63\u5e38\u7684\u751f\u6d3b\uff0c\u4e5f\u8981\u6ce8\u610f\u6c61\u67d3\u95ee\u9898\uff01<\/p>\n<p><strong><span>\u00a0<\/span><\/strong><\/p>\n<h3 style=\"text-align: center\">\u6240\u6709\u57ce\u5e02\u90fd\u8d85\u51faWHO\u5e74\u9650<\/h3>\n<p>\u4ece\u56fe\u4e2d\u6211\u4eec\u53ef\u4ee5\u5f88\u6e05\u695a\u7684\u770b\u5230\u6240\u6709\u57ce\u5e02\u8ddd\u79bb<span>WHO<\/span>\u5e74\u9650\u6807\u51c6\u8fd8\u662f\u76f8\u5dee\u751a\u8fdc\uff0c\u751a\u81f3\u7a7a\u6c14\u8d28\u91cf\u6700\u597d\u7684\u6df1\u5733\u90fd\u5c06\u8fd1\u8fbe\u5230<span>WHO<\/span>\u5e74\u9650\u7684<span>2<\/span>\u500d\u3002\u800c\u54c8\u5c14\u6ee8\u751a\u81f3\u8fbe\u5230\u4e86<span>6<\/span>\u500d\u4e4b\u591a\u3002\u5317\u4eac\u548c\u4e0a\u6d77\u5e73\u5747\u5dee\u4e0d\u591a\uff0c<span>WHO<\/span>\u5e74\u9650\u7684<span>4<\/span>\u500d\u3002<\/p>\n<p><span> <img loading=\"lazy\" decoding=\"async\" src=\"\/wordpress\/wp-content\/uploads\/2020\/07\/who-ch-600x403.png\" alt=\"All China's cities PM2.5 level all exceed WHO standard\" width=\"561\" height=\"377\" class=\"aligncenter wp-image-11709\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/who-ch-600x403.png 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/who-ch-1024x688.png 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/who-ch-300x202.png 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/who-ch-768x516.png 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/07\/who-ch.png 1360w\" sizes=\"(max-width: 561px) 100vw, 561px\" \/><\/span><\/p>\n<h3 style=\"text-align: center\">\u5212\u91cd\u70b9<\/h3>\n<p>2020\u5e74\u4e0a\u534a\u5e74\u4e2d\u56fdPM2.5\u6307\u6570\u5df2\u7ecf\u6bd42019\u5e74\u8fdb\u6b65\u4e869%\uff0c\u4f46\u662f\u8ddd\u79bbWHO\u7684\u5e74\u9650\u8fd8\u662f\u6709\u5f88\u5927\u7684\u5dee\u8ddd\uff0c\u5f53\u5927\u5bb6\u5f00\u59cb\u6062\u590d\u6b63\u5e38\u751f\u6d3b\u7684\u540c\u65f6\u8fd8\u662f\u8981\u8bb0\u5f97\u65f6\u65f6\u523b\u523b\u6ce8\u610f\u7a7a\u6c14\u6c61\u67d3\uff01<\/p>","protected":false},"excerpt":{"rendered":"<p>\u4e2d\u56fd\u7a7a\u6c14\u8d28\u91cf\uff0c\u6709\u4f55\u53d8\u5316\uff1f 2020\u5e74\u7684\u6211\u4eec\u56e0\u4e3a\u75ab\u60c5\u7684\u5f71\u54cd\uff0c2020\u5e74\u7684\u7a7a\u6c14\u8d28\u91cf\u5e94\u5f53\u6bd42019\u8fdb\u6b65\u8bb8\u591a &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"\u5728\u75ab\u60c5\u4e2d\u4e58\u98ce\u7834\u6d6a\u76842020\u5e74\u7a7a\u6c14\u8d28\u91cf\u62a5\u544a\uff01\" class=\"read-more button\" href=\"https:\/\/smartairfilters.com\/zh\/blog\/china-air-quality-pm25-improved-2020-covid-19-reason\/#more-11658\" aria-label=\"\u9605\u8bfb \u5728\u75ab\u60c5\u4e2d\u4e58\u98ce\u7834\u6d6a\u76842020\u5e74\u7a7a\u6c14\u8d28\u91cf\u62a5\u544a\uff01\">Read more<\/a><\/p>\n","protected":false},"author":8048,"featured_media":11740,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":""},"categories":[17,452,460,257,261],"tags":[272,278,75,204,306,560,487,315,74,226,210,571],"class_list":["post-11658","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-air-pollution","category-air-quality","category-beijing","category-pm2-5","category-weather","tag-air-pollution","tag-air-quality","tag-beijing","tag-chengdu","tag-china","tag-clean-air","tag-covid-19","tag-harbin","tag-pm2-5","tag-shanghai","tag-shenyang","tag-wuhan","resize-featured-image"],"acf":[],"_links":{"self":[{"href":"https:\/\/smartairfilters.com\/zh\/wp-json\/wp\/v2\/posts\/11658","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/smartairfilters.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/smartairfilters.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/smartairfilters.com\/zh\/wp-json\/wp\/v2\/users\/8048"}],"replies":[{"embeddable":true,"href":"https:\/\/smartairfilters.com\/zh\/wp-json\/wp\/v2\/comments?post=11658"}],"version-history":[{"count":7,"href":"https:\/\/smartairfilters.com\/zh\/wp-json\/wp\/v2\/posts\/11658\/revisions"}],"predecessor-version":[{"id":11956,"href":"https:\/\/smartairfilters.com\/zh\/wp-json\/wp\/v2\/posts\/11658\/revisions\/11956"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/smartairfilters.com\/zh\/wp-json\/wp\/v2\/media\/11740"}],"wp:attachment":[{"href":"https:\/\/smartairfilters.com\/zh\/wp-json\/wp\/v2\/media?parent=11658"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/smartairfilters.com\/zh\/wp-json\/wp\/v2\/categories?post=11658"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/smartairfilters.com\/zh\/wp-json\/wp\/v2\/tags?post=11658"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}