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Air pollution macro-regions identification using machine learning and spatio-temporal analysis

Fig 2

Geographic distribution of air pollution monitoring stations included in the study (January 2015 – December 2023) – PM10 (dark blue), PM2.5 (orange), (light blue).

The background map is based on OpenStreetMap data [19]. (hypsometric map from WMTS: [20]; Ref. System: EPSG 2180).

Fig 2

doi: https://doi.org/10.1371/journal.pone.0340191.g002