Wildfires in the Amazon rainforest impacted vast areas of Latin America in 2024, with PM2.5 levels in some cities across ... levels," said Frank Hammes, Global CEO of IQAir.

Less than one-fifth of the cities worldwide met the international criteria for clean air in 2024, a global study has found. The IQAir World Air Quality Report, which analysed data from over 40,000 ...