Duststorms have increased dramatically in frequency in Iraq in recent years, driven by soil degradation and intense droughts made worse by the climate crisis, with rising average temperatures and sharply lower rainfall.
North Korean authorities urged its citizens to stay indoors and avoid the yellow dust blowing in from China.
Images by the US space agency Nasa are clear, in February the concentration of nitrogen dioxide (NO2) fell dramatically in Wuhan, China, the epicentre of the Covid-19 pandemic, passing from an indicator that was red/orange to blue.
Subscribe to our Youtube channel for all latest in-depth, on the ground reporting from around the world.
Copyright © 2022 TRT World.