How EarthSense believes in IoT technologies to improve air quality amid Covid-19 ‘intervention’ – Internet of Things News
As the effects of the Covid-19 pandemic are becoming apparent, one area which has seen an understandable benefit in the global shutdown is air quality.
Delhi, widely cited as one of the world’s most polluted cities, has seen something of a transformation. So have other major hubs; Beijing, Bogota, Sao Paulo. The vista has changed from gloomy grey to beautiful blue. Delhi’s air quality index (AQI) levels have dropped to below 20 – anything over 25 being considered unsafe by the World Health Organisation – having been 900 and above at times last year.