rich 1.0 Scribble Maps https://scribblemaps.com Field test of KNMI NO2-sondes and meteorological sensors in Amsterdam. The experiment aims for exposure of sensors to an extreme range in relative humidity and temperature to investigate the sensor's performance in varying meteorological conditions. <iframe src="//widgets.scribblemaps.com/sm/?d&z&l&id=KNMI_20160527" width="720" height="550" style="max-width: 100%;" frameborder="0" title="Hortus Botanicus NO2-sonde measurements" webkitallowfullscreen mozallowfullscreen allowfullscreen allow="geolocation" loading="lazy"></iframe> 720 550 https://scribblemaps.com/api/maps/images/KNMI_20160527_thumb_1200x630.jpg 256 256 KNMI_20160527