Countries in Central and Southeast Asia as well as in Eastern and Southern Europe have improved their air quality most since before the pandemic, a newly released report by IQAir among 93 countries and territories has found, Statista reports.
In the five years between 2019 and 2024, average annual air pollution by particles of 2.5 micrometres in diameter or smaller decreased by more than 30 micrograms per cubic metre of air in Mongolia, which ranks at 1. The country continues to use…