Pollution levels fell in Poland, but not in northern Italy

Selected cities' average annual PM 2.5 concentration in micrograms per cubic meter.

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Chart: DW | EDJNetSource: DW analysis / Copernicus Atmosphere Monitoring Service's European air quality reanalysis 2022 data. See github.com/dw-data/edjnet-pm2p5 for details.Created with Datawrapper