Figure 2
From: The effect of national protest in Ecuador on PM pollution
available at https://qgis.org/downloads/), employing ESPG 4326 (WGS 84) (panels a–c) and Urban Growth of Quito was used for limits (retrieved from http://gobiernoabierto.quito.gob.ec/?page_id=1122).
Inverse distance weighting interpolation of the average PM2.5 levels at the ground-based monitoring sites in the Ecuadorian capital Quito: (a) before (September 25–October 1), (b) during (October 2–13) and (c) after (October 14–25) the 2019 national strike. Geographical Information Software QGIS 3.18.2 was used (
