Frequency of cold air strikes North huanghuai haze "sail"

The weather in China in the coming days, the cold air is frequent affecting east China region, mainly bring strong winds and cool, don't have much rain and snow. In the cold air break, places such as north China, huanghuai will have a haze, but there will not be a big range, continuous severe haze. In addition, hope in the northeast and north xinjiang and other places will be more rain and snow weather, need to strengthen local guard against rain and snow on traffic and the negative impact of the life. Turn north huanghuai air quality today...