北京PM2.5本地排放中移动源占比超四成

新京报2021-09-07

第三轮北京市PM2.5来源解析发布，区域传输与本地排放“四六开”PM2.5本地排放中移动源占比超四成昨日，北京市发布第三轮细颗粒物(PM2.5)来源解析最新研究成果，北京市现阶段PM2.5主要来源中本地排放占六成，区域传输占四成。相较上一轮源解析结果，本地排放中各类源绝对量实现“瘦身”，区域传输对北京市影响增加近一成，且随着污染级别增大占比上升，重污染日北京PM2.5区域传输占比超过六成。...

网页链接

免责声明：本文观点仅代表作者个人观点，不构成本平台的投资建议，本平台不对文章信息准确性、完整性和及时性做出任何保证，亦不对因使用或信赖文章信息引发的任何损失承担责任。

精彩评论

萝卜良
2021-09-07
萝卜良
这和中国移动有办毛钱关系吗？[摊手]

发表看法

{"i18n":{"language":"zh_CN"},"isChannel":false,"data":{"share":"https://www.laohu8.com/m/news/2165333872?lang=zh_CN&edition=full","thumbnail":"https://static.tigerbbs.com/d26deea7720c8db4c30c727d9798d48e","is_english":false,"pubTime":"2021-09-07 01:44","share_image_url":"https://static.laohu8.com/9a95c1376e76363c1401fee7d3717173","id":"2165333872","market":"hk","top_or_hot":-1,"title":"北京PM2.5本地排放中移动源占比超四成","media":"新京报","content":"<div>\n<p>第三轮北京市PM2.5来源解析发布，区域传输与本地排放“四六开”PM2.5本地排放中移动源占比超四成昨日，北京市发布第三轮细颗粒物(PM2.5)来源解析最新研究成果，北京市现阶段PM2.5主要来源中本地排放占六成，区域传输占四成。相较上一轮源解析结果，本地排放中各类源绝对量实现“瘦身”，区域传输对北京市影响增加近一成，且随着污染级别增大占比上升，重污染日北京PM2.5区域传输占比超过六成。...</p>\n\n<a href=\"http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN202109070150327c3905f8&s=b\">网页链接</a>\n\n</div>\n","source":"tencent","html":"<!DOCTYPE html>\n<html>\n<head>\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />\n<meta name=\"viewport\" content=\"width=device-width,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.0,user-scalable=no\"/>\n<meta name=\"format-detection\" content=\"telephone=no,email=no,address=no\" />\n<title>北京PM2.5本地排放中移动源占比超四成</title>\n<style type=\"text/css\">\na,abbr,acronym,address,applet,article,aside,audio,b,big,blockquote,body,canvas,caption,center,cite,code,dd,del,details,dfn,div,dl,dt,\nem,embed,fieldset,figcaption,figure,footer,form,h1,h2,h3,h4,h5,h6,header,hgroup,html,i,iframe,img,ins,kbd,label,legend,li,mark,menu,nav,\nobject,ol,output,p,pre,q,ruby,s,samp,section,small,span,strike,strong,sub,summary,sup,table,tbody,td,tfoot,th,thead,time,tr,tt,u,ul,var,video{ font:inherit;margin:0;padding:0;vertical-align:baseline;border:0 }\nbody{ font-size:16px; line-height:1.5; color:#999; background:transparent; }\n.wrapper{ overflow:hidden;word-break:break-all;padding:10px; }\nh1,h2{ font-weight:normal; line-height:1.35; margin-bottom:.6em; }\nh3,h4,h5,h6{ line-height:1.35; margin-bottom:1em; }\nh1{ font-size:24px; }\nh2{ font-size:20px; }\nh3{ font-size:18px; }\nh4{ font-size:16px; }\nh5{ font-size:14px; }\nh6{ font-size:12px; }\np,ul,ol,blockquote,dl,table{ margin:1.2em 0; }\nul,ol{ margin-left:2em; }\nul{ list-style:disc; }\nol{ list-style:decimal; }\nli,li p{ margin:10px 0;}\nimg{ max-width:100%;display:block;margin:0 auto 1em; }\nblockquote{ color:#B5B2B1; border-left:3px solid #aaa; padding:1em; }\nstrong,b{font-weight:bold;}\nem,i{font-style:italic;}\ntable{ width:100%;border-collapse:collapse;border-spacing:1px;margin:1em 0;font-size:.9em; }\nth,td{ padding:5px;text-align:left;border:1px solid #aaa; }\nth{ font-weight:bold;background:#5d5d5d; }\n.symbol-link{font-weight:bold;}\n/* header{ border-bottom:1px solid #494756; } */\n.title{ margin:0 0 8px;line-height:1.3;color:#ddd; }\n.meta {color:#5e5c6d;font-size:13px;margin:0 0 .5em; }\na{text-decoration:none; color:#2a4b87;}\n.meta .head { display: inline-block; overflow: hidden}\n.head .h-thumb { width: 30px; height: 30px; margin: 0; padding: 0; border-radius: 50%; float: left;}\n.head .h-content { margin: 0; padding: 0 0 0 9px; float: left;}\n.head .h-name {font-size: 13px; color: #eee; margin: 0;}\n.head .h-time {font-size: 11px; color: #7E829C; margin: 0;line-height: 11px;}\n.small {font-size: 12.5px; display: inline-block; transform: scale(0.9); -webkit-transform: scale(0.9); transform-origin: left; -webkit-transform-origin: left;}\n.smaller {font-size: 12.5px; display: inline-block; transform: scale(0.8); -webkit-transform: scale(0.8); transform-origin: left; -webkit-transform-origin: left;}\n.bt-text {font-size: 12px;margin: 1.5em 0 0 0}\n.bt-text p {margin: 0}\n</style>\n</head>\n<body>\n<div class=\"wrapper\">\n<header>\n<h2 class=\"title\">\n北京PM2.5本地排放中移动源占比超四成\n</h2>\n\n<h4 class=\"meta\">\n\n\n2021-09-07 01:44 北京时间&nbsp;&nbsp;&nbsp;<a href=http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN202109070150327c3905f8&s=b><strong>新京报</strong></a>\n\n\n</h4>\n\n</header>\n<article>\n<div>\n<p>第三轮北京市PM2.5来源解析发布，区域传输与本地排放“四六开”PM2.5本地排放中移动源占比超四成昨日，北京市发布第三轮细颗粒物(PM2.5)来源解析最新研究成果，北京市现阶段PM2.5主要来源中本地排放占六成，区域传输占四成。相较上一轮源解析结果，本地排放中各类源绝对量实现“瘦身”，区域传输对北京市影响增加近一成，且随着污染级别增大占比上升，重污染日北京PM2.5区域传输占比超过六成。...</p>\n\n<a href=\"http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN202109070150327c3905f8&s=b\">网页链接</a>\n\n</div>\n\n\n</article>\n</div>\n</body>\n</html>\n","isBrief":false,"type":0,"news_type":1,"symbol":"CHL","symbol_name":"中国移动","start_time":0,"source_url":"http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN202109070150327c3905f8&s=b","article_id":"2165333872","we_media_id":null,"thumbnails":["https://static.tigerbbs.com/d26deea7720c8db4c30c727d9798d48e"],"rights":{"source":"tencent","url":"http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN202109070150327c3905f8&s=b","rn_cache_url":null,"customStyle":"body{padding-top:10px;}#news_title{font-weight:bold;#titleStyle#;}#news_description span{font-size:12px;#descriptionStyle#;}.footer-note{#statement#}","selectors":".mod-LoadTzbdNews, body","filters":".relate-stock, .hot-list, .recom-box, .wx-sou","directOrigin":true},"url":"https://stock-news.laohu8.com/highlight/detail?id=2165333872","pubTimestamp":1630950265,"sourceInfo":{"source_id":"tencent","name":"腾讯"},"weMediaInfo":null,"summary":"第三轮北京市PM2.5来源解析发布，区域传输与本地排放“四六开”PM2.5本地排放中移动源占比超四成昨日，北京市发布第三轮细颗粒物来源解析最新研究成果，北京市现阶段PM2.5主要来源中本地排放占六成，区域传输占四成。经过三年大幅减排，PM2.5本地排放源中，各类源的绝对量均大幅下降，实现“瘦身”。","collect":0,"end_time":0,"defaultTopTitle":"qq.com","property":[],"viewcount":null,"language":"zh","relate_stocks":{"CHL":"中国移动","00941":"中国移动"},"translate_title":"Mobile sources account for over 40% of Beijing PM2.5 local emissions","themeId":null,"isJumpTheme":false,"ttsUrl":null,"symbols_score_info":{"47590":0.9,"47591":0.6,"47640":0.6,"00941":0.6,"CHL":0.6},"content_text":"第三轮北京市PM2.5来源解析发布，区域传输与本地排放“四六开”PM2.5本地排放中移动源占比超四成昨日，北京市发布第三轮细颗粒物(PM2.5)来源解析最新研究成果，北京市现阶段PM2.5主要来源中本地排放占六成，区域传输占四成。相较上一轮源解析结果，本地排放中各类源绝对量实现“瘦身”，区域传输对北京市影响增加近一成，且随着污染级别增大占比上升，重污染日北京PM2.5区域传输占比超过六成。PM2.5主要来源中本地排放近六成研究主要结论表明，现阶段北京市PM2.5主要来源中本地排放近六成，其中移动源、生活源、扬尘源、工业源和燃煤源分担率分别为46%、16%、11%、10%和3%，农业及自然本底等其他源约14%。移动源中柴油车与汽油车占比较大；生活源中溶剂使用和汽修等服务业贡献突出；扬尘源主要以道路扬尘和施工扬尘为主；工业源中石油化工、水泥建材等行业占比较大。现阶段北京市PM2.5主要来源中区域传输超四成，以东南、西南传输通道为主，且随着污染级别的增大，区域传输分担率呈上升趋势，特别是重污染日(PM2.5日均浓度＞150微克/立方米)区域传输平均占比超过六成。区域传输对北京影响增加近一成北京曾在2014年和2018年两次发布PM2.5的来源解析报告。此次第三轮PM2.5来源解析结果呈现四个特点。一是本地排放主要来源类型保持不变，和上一轮相比，现阶段PM2.5本地排放主要来源类型仍然是移动源、生活源、扬尘源和工业源。经过三年大幅减排，PM2.5本地排放源中，各类源的绝对量均大幅下降，实现“瘦身”。二是本地排放各类源相对构成比例略有变化。其中，移动源占比(46%)依然最高，因排放基数大，移动源在全年不同时段和空间范围内均是本地大气PM2.5第一大来源。生活源占比凸显，成为第二大来源。三是区域传输影响增加近一成，重污染日超六成。PM2.5来源中区域传输与本地排放“四六开”，分担率分别为42%和58%。区域传输分担率较2017年上升约一成。在重污染日，区域传输分担率达到64%±8%，是全年平均传输水平的1.5倍，表明区域协同减排是下一阶段空气改善的关键。四是PM2.5中二次粒子占比上升，来源呈现一定的季节变化特征。从PM2.5组分看，各组分浓度均呈现明显下降趋势，但构成占比变化有所不同。从时间尺度看，区域传输与本地排放占比结果随季节有所变化，其中东南通道传输及本地移动源在全年均属于最重要的来源。PM2.5和臭氧协同控制根据此次研究结果，要继续强化对本地排放中移动源(特别是柴油车)、生活源、扬尘源和工业源的精细化管理；进一步加强区域协作，建立长期的区域联防联控机制，优化区域产业布局，加强重污染期间应急联动。同时强化PM2.5和臭氧协同控制，以VOCs和NOx协同减排为抓手，进一步提升城市精细化管理水平；持续加强科技支撑，充分利用人工智能、物联网、区块链及大数据分析等技术，提升科技治污、精准治污能力。新京报记者 张璐【编辑:房家梁】","kind":null,"is_publish_news":true,"is_publish_highlight":false,"is_publish_live":null,"is_publish_wemedia":null,"editions":null,"column":"","sentiment":"0","news_tag":"","news_rank":0,"symbols":[],"gpt_button":1},"commentList":[{"id":817459050,"gmtCreate":1630982433470,"gmtModify":1630982433470,"author":{"id":"3487033434531409","authorId":"3487033434531409","name":"萝卜良","avatar":"https://static.tigerbbs.com/2dcf19abb9b12c37267e47e8f328d5ee","vip":1,"crmLevel":2,"crmLevelSwitch":0},"htmlText":"这和中国移动有办毛钱关系吗？[摊手]&nbsp;","listText":"这和中国移动有办毛钱关系吗？[摊手]&nbsp;","text":"这和中国移动有办毛钱关系吗？[摊手]","images":[],"top":1,"highlighted":1,"essential":1,"paper":1,"likeSize":0,"commentSize":0,"repostSize":0,"link":"https://laohu8.com/post/817459050","repostId":2165333872,"repostType":2,"isVote":1,"likeStatus":false,"favoriteStatus":false,"reportStatus":false,"tweetType":1,"langContent":"CN"}],"isCommentEnd":false,"newsSizeData":{"likeSize":0,"commentSize":1,"repostSize":0,"favoriteSize":0,"likeStatus":false,"favoriteStatus":false},"APP":{"userAgent":"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)","isDev":false,"isTTM":false,"deviceId":"web-server-community-laohu8-v3","version":"4.25.1","shortVersion":"4.25.1","platform":"web","vendor":"web","appName":"laohu8","isIOS":false,"isAndroid":false,"isTiger":false,"isTHS":false,"isWeiXin":false,"isWeiXinMini":false,"isWeiBo":false,"isQQ":false,"isBaiduSwan":false,"isBaiduBox":false,"isDingTalk":false,"isToutiao":false,"isOnePlus":false,"isHuaWei":false,"isXiaomi":false,"isXiaomiWebView":false,"isOppo":false,"isVivo":false,"isSamsung":false,"isMobile":false},"href":"/m/news/2165333872"}