These techies are improving air quality in the war against Covid-19

Air pollution costs Indian businesses about Rs seven trillion every fiscal year, or 3 per cent of India's total GDP, a research report shows

Air pollution can cause health problems such as heart attacks, strokes, diabetes and high blood pressure. These have been identified as the pre-existing medical conditions that raise the chances of death from Covid-19 infection. Emerging research, including a study from Harvard T H Chan School of Public Health, finds that breathing more polluted air over many years may itself worsen the effects of Covid-19.

Improving the air quality has reached a fever pitch as India was home to 35 of the world's 50 most polluted cities, according to IQAir's 2020 World Air Quality Report, which collated data for 106 countries.