Correlation Explorer
Pick two indicators to see how countries and regions compare — bubble size = population · click any dot for details
2023
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Source: World Bank Open Data
Air Pollution vs Trade · 2023
In 2023, Air Pollution (PM2.5) and Trade Openness show a weak negative correlation (r = -0.23) across 170 countries.
A slight tendency links higher air pollution to lower trade, but the relationship is inconsistent and varies widely by region.
Use the interactive bubble chart to explore individual countries and regions, or adjust the year slider to see how this relationship has evolved over time. Bubble size represents population.