Air quality in 74 major cities across the country has generally improved in the first half of theyear, with days of clear air accounting for 68 percent, up by 6.9 percentage points year-on-year, the Ministry of Environmental Protection said in late July.
去年七月环保部表示,全国74个重点城市的空气质量在今年的上半年普遍改善,好空气的天数占了68%,同比增加了6.9个百分点。
【北京全力打造"阅兵蓝" 确保环境质量】相关文章:
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