Air quality data from the LIFE+RESPIRA project in Pamplona, Spain: PM1 in 2015 (04h CET) (clipped PNG)

PNG image representing clipped interpolated air quality data from the LIFE+RESPIRA project (http://www.liferespira.eu/) in Pamplona, Spain, with measures of PM1 during 2015, aggregated by hour (04h CET).

该PNG图像（Portable Network Graphics）呈现了源自西班牙潘普洛纳的LIFE+RESPIRA项目（网址：http://www.liferespira.eu/）的经裁剪与插值处理的空气质量数据，涵盖2015年的PM1（Particulate Matter 1）监测值，数据以小时为聚合粒度，聚合时刻为中欧时间（Central European Time, CET）04时。