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The author:(作者)delvpublished in(发表于) 2013/10/27 11:04:43 Hebei， China’s top ten cities with the worst air occupies seven
Morning Post published yesterday by the Department of environmental protection and the third quarter of September 2013 Beijing, Tianjin and Hebei, Yangtze River Delta, the Pearl River Delta region and the municipalities, provincial capitals and cities with 74 urban air quality conditions. In September, the 10 worst air quality in the city has 7 from Hebei province, and 7 cities in the third quarter from the bottom of the air column in ten cities.
In September, Shanghai's national tenth
According to the evaluation of urban ambient air quality index, September, relatively poor air quality in the top 10 cities were Shijiazhuang, Tangshan, Handan, xingtai, Baoding, Langfang, Tianjin and Jinan, hengshui, XI ' an and air quality is relatively poor in the third quarter the top 10 cities were Tangshan, Handan, xingtai, Shijiazhuang, and Jinan, hengshui, Zhengzhou, Tianjin, Baoding and Langfang.
Hebei province xingtai, Shijiazhuang, Tangshan, Handan and hengshui seven, Baoding and Langfang cities, both in September, among the ten cities with the worst air quality, and air quality in the bottom in the third quarter among the top ten cities.
In September, the relatively good air quality is top 10 cities, Fuzhou, Haikou, Zhoushan Lhasa, Yancheng, Taizhou, Lanzhou, Xiamen, Huizhou and Shanghai. In the third quarter, relatively good air quality in top 10 cities are Zhoushan, Zhuhai, Fuzhou, Haikou, Lhasa, yinchuan, Huizhou, Taizhou and Lishui and Guiyang, which, Taizhou and Lishui, yinchuan, Guiyang, and significant improvement in air quality over the last quarter, Zhoushan, Zhuhai, Huizhou, Haikou, Lhasa, Fuzhou and other air quality remained stable.
In September, 74 days on average to 67.2% towards the city. Exceeded the average number of days for 32.8%, lightly polluted, 23.7% pollution 6%, heavily polluting 2.9%, serious pollution and 0.2%. Zhoushan, Fuzhou, Haikou, Lhasa and yinchuan 100% per cent of days towards the 5 cities, 19 days to less than 50% towards the city. Ozone and PM2.5 is the primary pollutants exceeding the number of days in the days more, exceeding the number of days and 48.8%, respectively.
Beijing, Tianjin and Hebei PM2.5 pollution
Environmental protection Ministry official noted that the average compliance days in 74 cities in the third quarter compared to 68.9% and increase 6.4% compared with last quarter. Exceeded the average number of days for 31.1%, tonnes from lightly polluted, 22.7%, and 6.3% levels of pollution in, heavily polluting and 2% pollution 0.1%, and compared to the previous quarter and above stations, the decline in the proportion of days 1.1%. Ozone and PM2.5 is the primary pollutants exceeding the number of days in the days more, exceeding the number of days and 65.2%, respectively.
Air quality in Beijing-Tianjin-Hebei region in the third quarter exceeded the average number of days for 62.5%, which the proportion of heavy pollution days at 5.9%, 0.4% per cent seriously polluted days. Primary pollutants exceeding the number of days for PM2.5 and ozone in most days, exceeding the number of days and 52.2%, respectively. Compared with the second quarter, by percentage average days of reaching 33.8% to the cent, increases 3.7%.
Yangtze River Delta region air quality exceeded the number of days for an average of 26.5%, 1.3% per cent severe pollution, pollution-free days. Primary pollutants with ozone exceedance days for most days, exceeding the number of days of 92.1%, followed by PM2.5 exceedance days 7.8%. Compared with last season's average compliance days increased from 63.1% to 73.5% per cent, increased by 10.4%.
Air quality in the Pearl River Delta region in the third quarter exceeded the number of days for an average of 22.4%, 1.3% per cent severe pollution, pollution-free days. Most days exceeding the number of days with ozone as the primary pollutants, exceeding the number of days 99.5%; followed by PM2.5, accounting for 0.5%. Compared with last quarter, average compliance days fell from 86.3% per cent to 77.6%, down 8.7%.
(Original title: "top ten cities with the worst air" Hebei accounted for seven)
早报讯 环保部昨日发布了2013年9月份及第三季度京津冀、长三角、珠三角区域及直辖市、省会城市和计划单列市等74个城市空气质量状况。9月份，10个空气质量最差的城市里有7个来自河北省，而这7个城市也在第三季度空气最差的十城之列。
9月上海空气全国第十
按照城市环境空气质量综合指数评价，9月份空气质量相对较差的前10位城市分别是邢台、石家庄、唐山、邯郸、济南、衡水、保定、廊坊、天津和西安；而第三季度空气质量相对较差的前10位城市分别是邢台、石家庄、唐山、邯郸、济南、衡水、天津、保定、郑州和廊坊。
其中河北省的邢台、石家庄、唐山、邯郸、衡水、保定和廊坊七个城市，既在9月份空气质量最差的十城之列，也在第三季度空气质量倒数前十的城市之列。
9月份，空气质量相对较好的前10位城市是海口、舟山、福州、拉萨、盐城、兰州、厦门、台州、惠州和上海。而在第三季度，空气质量相对较好的前10位城市是海口、舟山、珠海、福州、拉萨、惠州、台州、银川、丽水和贵阳，其中，台州、银川、丽水和贵阳空气质量较上季度有明显改善，海口、舟山、珠海、惠州、拉萨、福州等空气质量保持稳定。
9月份，74个城市达标天数比例平均为67.2%。平均超标天数比例为32.8%，其中轻度污染占23.7%，中度污染占6.0%，重度污染占2.9%，严重污染占0.2%。海口、拉萨、舟山、福州、银川5个城市的达标天数比例达100%，19个城市达标天数比例不足50%。超标天数中以臭氧和PM2.5为首要污染物的天数较多，分别占超标天数的48.8%和38.4%。
京津冀PM2.5污染严重
环保部有关负责人指出，第三季度74个城市平均达标天数比例为68.9%，与上季度相比提高6.4个百分点。平均超标天数比例为31.1%，其中轻度污染占22.7%，中度污染占6.3%，重度污染占2.0%，严重污染占0.1%，与上季度相比重度及以上污染天数比例下降1.1个百分点。超标天数中以臭氧和PM2.5为首要污染物的天数较多，分别占超标天数的65.2%和28.1%。
第三季度京津冀地区空气质量平均超标天数比例为62.5%，其中重度污染天数比例为5.9%，严重污染天数比例为0.4%。超标天数中以PM2.5和臭氧为首要污染物的天数最多，分别占超标天数的52.2%和38.0%。与第二季度相比，平均达标天数比例由33.8%提高到37.5%，提高了3.7个百分点。
长三角地区空气质量平均超标天数比例为26.5%，其中重度污染比例为1.3%，无严重污染天数。超标天数中以臭氧为首要污染物的天数最多，占超标天数的92.1%，其次是PM2.5，占超标天数的7.8%。与上季度相比，平均达标天数比例由63.1%上升到73.5%，提高了10.4个百分点。
第三季度珠三角地区空气质量平均超标天数比例为22.4%，其中重度污染比例为1.3%，无严重污染天数。超标天数以臭氧为首要污染物的天数最多，占超标天数的99.5%；其次是PM2.5，占0.5%。与上季度相比，平均达标天数比例由86.3%下降到77.6%，下降了8.7个百分点。
(原标题：“空气最差十大城市”河北占七个)
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