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<meta name="description" content="　　生态环境部今日向媒体通报了2022年5月和1&mdash;5月全国环境空气质量状况。　　环境空气总体情况　　2022年5月，全国339个地级及以上城市平均空气质量优良天数比例为85.2%，同比下降">
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						<div class="xx">&nbsp;&nbsp;来源：<a href="http://tusfamosos.com/">博克斯通电子有限公司</a>&nbsp;&nbsp;更新时间：2022-12-27 11:20:48</div>
                      <div class="pluginContent">　　生态环境部今日向媒体通报了2022年5月和1&mdash;5月全国环境空气质量状况。生态<br />&nbsp;　　环境空气总体情况<br />&nbsp;　　2022年5月，环境全国339个地级及以上城市平均空气质量优良天数比例为85.2%，部通报年<strong></strong>同比下降2.6个百分点；PM2.5平均浓度为22微克/立方米，月和月全同比持平；PM10平均浓度为45微克/立方米，国环同比下降4.3%；O3平均浓度为153微克/立方米，境空境同比上升7.0%；SO2平均浓度为8微克/立方米，气质气状气环同比持平；NO2平均浓度为18微克/立方米，量状同比下降5.3%；CO平均浓度为0.7毫克/立方米，况空况同比下降12.5%。生态<br />&nbsp;　　1&mdash;5月，环境全国339个地级及以上城市平均空气质量优良天数比例为85.1%，部通报年同比上升0.5个百分点；PM2.5平均浓度为35微克/立方米，月和月全<strong></strong>同比下降5.4%；PM10平均浓度为59微克/立方米，国环同比下降9.2%；O3平均浓度为138微克/立方米，境空境同比上升8.7%；SO2平均浓度为9微克/立方米，同比下降10.0%；NO2平均浓度为23微克/立方米，同比下降8.0%；CO平均浓度为1.2毫克/立方米，同比持平。<br />&nbsp;<p align="center"><img src="https://img74.hbzhan.com/9/20220618/637911441430134203780.png" width="633" height="920" align="middle" alt="" /></p><p>&nbsp;</p>　　重点区域<br />&nbsp;　　(一)京津冀及周边地区<br />&nbsp;　　5月，京津冀及周边地区&ldquo;2+26&rdquo;城市平均优良天数比例为62.0%，同比下降1.7个百分点；PM2.5浓度为28微克/立方米，同比下降15.2%；O3平均浓度为190微克/立方米，同比上升6.7%。1&mdash;5月，平均优良天数比例为66.8%，同比上升3.5个百分点；PM2.5浓度为51微克/立方米，同比下降3.8%；O3平均浓度为162微克/立方米，同比上升12.5%。<br />&nbsp;　　北京市5月优良天数比例为61.3%，同比下降12.9个百分点；PM2.5浓度为21微克/立方米，同比上升5.0%；O3平均浓度为211微克/立方米，同比上升27.9%。1&mdash;5月，优良天数比例为81.5%，同比上升13.3个百分点；PM2.5浓度为33微克/立方米，同比下降28.3%；O3平均浓度为163微克/立方米，同比上升28.3%。<br />&nbsp;　　(二)长三角地区<br />&nbsp;　　长三角地区41个城市5月平均优良天数比例为73.2%，同比下降9.8个百分点；PM2.5浓度为26微克/立方米，同比上升4.0%；O3平均浓度为177微克/立方米，同比上升8.6%。1&mdash;5月，平均优良天数比例为80.8%，同比下降7.0个百分点；PM2.5浓度为38微克/立方米，同比上升5.6%；O3平均浓度为156微克/立方米，同比上升13.9%。<br />&nbsp;　　(三)汾渭平原<br />&nbsp;　　汾渭平原11个城市5月平均优良天数比例为70.4%，同比上升0.9个百分点；PM2.5浓度为26微克/立方米，同比下降13.3%；O3平均浓度为176微克/立方米，同比下降3.3%。1&mdash;5月，平均优良天数比例为61.8%，同比下降4.5个百分点；PM2.5浓度为56微克/立方米，同比上升7.7%；O3平均浓度为151微克/立方米，同比上升12.7%。<br />&nbsp;<p align="center"><img src="https://img74.hbzhan.com/9/20220618/637911441917481327325.png" width="556" height="337" align="middle" alt="" /></p><p align="center" class="edit_Oatt">图3  2022年1&mdash;5月全国及重点区域空气质量比较</p><p>&nbsp;</p>&nbsp;　　原标题：生态环境部通报5月和1&mdash;5月全国环境空气质量状况</div>
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