Wildfires significantly worsened air pollution in 2024, spreading harmful PM 2.5 particles across continents, the WMO said. Officials warned climate change increases wildfire risks, affecting health, infrastructure, and ecosystems. Effective mitigation measures, as seen in China, Europe, and
The 2023 WMO Air Quality and Climate Bulletin, the third in an annual series, puts the spotlight on heatwaves to draw attention to the fact that it is not just high temperatures which are a hazard, but also the impacts of resulting pollution which are often overlooked but are just as pernici