Cleaner Air: China and Europe Achieve Below-Average PM2.5 Levels in 2023 
China and Europe recorded below-average PM2.5 levels in 2023 thanks to decreased human-made emissions, according to the World Meteorological Organization.
WMO
Cleaner Air: China and Europe Achieve Below-Average PM2.5 Levels in 2023
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El Niño Eases but Keeps Global Temperatures Soaring 
El Niño is weakening but will keep global temperatures high, leading to extreme weather events like wildfires and tropical cyclones, says WMO.