In September 2019, the Delhi government and Delhi Chief minister Arvind Kejriwal announced Delhi’s 2019 air pollution levels were down 25% on the previous year. This sounded great, but where was the data? As a bunch of data-driven nerds, we dug deep into the Delhi PM2.5 data to see if this claim by the Delhi […]
Paddy RobertsonPaddy graduated in aeronautical engineering from Bristol University, and now runs Smart Air’s operations from Beijing. He’s an advocate for open data, free information and transparent business.