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

Fig 10

PM2.5 station cluster distribution (hypsometric map from WMTS: [20]; Ref. System: EPSG 2180).

a) PM2.5, daily, k = 7. b) PM2.5, yearly, k = 7. c) PM2.5, daily, k = 16. d) PM2.5, yearly, k = 16.

Fig 10

doi: https://doi.org/10.1371/journal.pone.0340191.g010