Hong Kong,  – Groundbreaking analysis of new satellite data from 1 June to 31 August this year reveals the world’s largest NO2 air pollution hotspots across six continents in the most detail to date, and points the finger at coal and transport as the two principal sources of emissions.

NO2 is a dangerous pollutant in and of itself and also contributes to the formation of PM2.5 and ozone, two of the most dangerous forms of air pollution. In the EU alone, cleaning up NO2 pollution could save up to 75,000 lives per year.

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