Ratio of population-weighted concentrations of PM₂.₅ in EU NUTS3 regions in the most deprived quintile relative to those in the least deprived quintile, 2007-2020

The graph shows the ratio of the annual average population weighted concentration of PM₂.₅ in the poorest quintile divided by that of the richest quintile of NUTS3 regions in the EU, as measured by Gross Domestic Product (GDP) per capita at purchasing power standard, per year.