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还记得2014年7、8月间,重庆上空那一片让人心旷神怡的“重庆蓝”吗?得见蓝天,源于空气质量的改善。2014年,重庆都市功能核心区和都市功能拓展区(以下简称“都市区”)的优良天数从2013年的206天增加到246天,增加了40天,比全国平均优良天数多5天,在全国优良天数增幅排名第6位;在31个直辖市和省会城市由好到差排名第13位,较2013年提升了5位,PM2.5浓度比上年下降了7.1%。这才有了2014年7—8月,
Also remember that in July and August 2014, Chongqing, a piece of people feel relaxed and happy “Chongqing Blue”? See the blue sky, from the improvement of air quality. In 2014, the number of fine days in Chongqing’s urban core function area and metropolitan function extension area (hereinafter referred to as “metropolitan area”) increased from 206 days in 2013 to 246 days, an increase of 40 days, five days more than the national average excellent number of days , Ranking the 6th in the national excellent days. In 31 municipalities directly under the Central Government and cities in the capital city, it ranked 13th among the best and the worse, up 5 places from 2013. The concentration of PM2.5 in the city dropped by 7.1% over the previous year. This is from July to August 2014,