World meteorologists point to ‘vicious cycle’ of heatwaves and air pollution

The climate crisis and soaring temperatures are worsening air quality, WMO says, with ‘knock-on effects’

Heatwaves across the world are worsening air quality and pollution, scientists have said.

The World Meteorological Organization (WMO) has said extreme temperatures are not the only hazard from heatwaves but that they also cause pollution-related health problems.