Covid-19 lockdowns have improved global air quality, data shows | The Guardian
Huge drops in pollution recorded around world
Gary FullerThu 8 Oct 2020 21.30 BST
Around the world, Covid lockdowns have led to improvements in air pollution. In northern India, the Himalayas were visible in the distance for the first time in a generation. And during the first nine weeks of the UK lockdown, nitrogen dioxide along London’s roads decreased by an average of 31% compared with the pre-lockdown period.