Data process and quality checks perform as per ED-76A (DO-200B) international standard and ED-77 (DO-201B) Data requirements, match with EU Regulation 2017/373 and under the EASA Type 1 DAT Provider C
The dataset consists of a set of semi-quantitative surface ozone observations (hereinafter O3), together with relative humidity observations at the same temporal scales. The dataset consists of monthl
