Clean Air Day 2024 Theme. International day of clean air for blue skies, was designated 7 september by the united nations general assembly in 2019. Air pollution is linked to 43,000 deaths per year in the uk.

This international day of clean air for blue skies, we call upon everyone—from governments and corporations to civil society and individuals—to invest in #cleanairnow. The fifth international day of clean air for blue skies takes place on 7 september 2024.