Air quality data from the LIFE+RESPIRA project in Pamplona, Spain: PM2.5 in 2017 (18h UTC) (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 PM2.5 during 2017, aggregated by hour (18h UTC).

PNG图像代表来自西班牙潘普洛纳LIFE+RESPIRA项目（http://www.liferespira.eu/）的裁剪后插值空气质量数据，包含2017年期间PM2.5的测量值，按小时（协调世界时18时，UTC）聚合。