Daily air quality observation coverage co max (2022-01)

The dataset provides the daily evolution of the estimation of the maximum, minimum and average concentrations of each pollulant. This dataset has been created in the context of the TRAFAIR project — https://trafair.eu/该数据集提供了各类污染物（pollutant）浓度的最大值、最小值与平均值的估算结果的逐日演变情况。本数据集系在TRAFAIR项目框架下构建完成，项目官方网址为https://trafair.eu/