Come day after day, beijing sky is in all the time " Yan Zhi explodes watch " condition, friend circle is basking in blue sky white cloud everywhere. The graph is on September 7, small make up see northward sky appears " Xuan Wu " divine animal cloud, exclaim unceasingly. (in ancient time, xuan Wu is chelonian snake fit, the delegate is northward)Radiative model cloud. Atmosphere expert explains, near future Beijing in the sky cold air activity is frequent, be helpful for air pollution content diffuse, make atmosphere is connected fully, blue sky appears continuously. Learn from bureau of city environmental protection, beijing air quality once more refresh record, average concentration of PM2.5 of fine grained content will be 35 microgramme August / stere, drop compared to the same period 7.9% , afterwards of only month chroma this year after January, achieve empty temperament to measure year of evaluation level again 2 class are restricted to be worth, the historical the corresponding period that also achieves nearly 5 years to come is optimal record. According to statistic, up to on September 5, PM2.5 average concentration is Beijing this year 52.1 microgramme / stere, relatively go 3 years on the low side of average of the corresponding period 12.2 microgramme / stere; "Blue sky day " for 179 days, relatively 3 years the corresponding period increased 21 days in the past. On September 5, the cloud of this demon unreal, can admire with Jing only will describe. On September 6, these days, all sorts of photography people were swarmed all round the Imperial Palace, the person on scene summit is completely suffer from, small make up do not go add trouble to. On September 7, transient water is cubic, this cloud is clean mix water is same. On September 6, blue sky white cloud, it is the coloured glaze with the Imperial Palace fizzles out of course the most suitable. Besides the sky, subterranean light also is little some good-looking. In the morning, crepuscular, radial penetration is extremely strong, resemble extremely good view of Europe. On September 8, round bright garden, spadger flutters in weed clump. On September 8, bright garden as it happens runs the circle contest of a dragon boat. Catch up with so good weather, the person that player and view are surpassed is pleasurable.