Generalised information on the quality of atmospheric air in settlements according to the network of observations of hydrometeorological organisations

The set contains generalised information about the quality of atmospheric air in settlements according to the network of observations of hydrometeorological organisations. The information in the set is divided into separate resources, each of which corresponds to the specified period.本数据集包含依据气象水文组织观测网络获取的居民聚居地大气空气质量综合信息。数据集内的信息被划分为若干独立资源，每一资源对应一个指定的观测时段。