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Global air quality improves in 2020 but south Asian cities still the top pollutants by Sumana Sarkar 17 Mar 2021 The 2020 World Air Quality Report is based on PM2.5 data from 106 countries. 84 percent of all monitored countries observed air quality improvements, largely due to measures like lockdown to arrest the spread of Covid-19. Though there was a distinct improvement in pollution levels across India, Delhi ...

Highlights Delhi is the most polluted ‘capital city’ globally 'World Air Quality Report, 2020' has been prepared by a Swiss organisation, IQAir New Delhi: Twenty-two of the world's 30 most polluted cities are in India, with Delhi being ranked as the most polluted capital city globally, a new report said on Tuesday. 'World Air Quality Report, 2020' prepared by a Swiss organisation, IQAir, which was released globally, stated that Delhi's air quality improved by approximately 15 per cent from 2019 to 2020. The report said that despite the improvement, Delhi ranked as the 10th most polluted c...

Nearly 82 countries exceeded WHO fine particulate matter limits in 2020 Delhi continued to be the most polluting capital in the world, a new IQAir quality report finds Image: Amit kg / Shutterstock Just 24 countries out of 106 monitored countries met World Health Organisation (WHO) guidelines for fine particulate matter (PM2.5) in 2020. That is one of the findings from the IQAir quality report, which shows air pollution was still at very high levels despite some air quality improvements driven mostly by the lockdown restrictions imposed by governments. According to the study, almost half of...

Story highlights In 2020, around 84 per cent of all monitored countries observed air quality improvements, largely due to global measures to slow the spread of COVID-19 All Indian cities showed air quality improvements in 2020 owing to the Covid-19 impact compared to 2018, while 63 per cent saw improvements compared to 2019, said the 2020 World Air Quality Report on Tuesday that is based on PM2.5 data from 106 countries. In 2020, around 84 per cent of all monitored countries observed air quality improvements, largely due to global measures to slow the spread of COVID-19. Air quality improveme...

Twenty-two of the world's 30 most polluted cities are in India, with Delhi being ranked as the most polluted capital city globally, a new report said on Tuesday. The report is prepared by Swiss organisation, IQAir, in the form of the 'World Air Quality Report, 2020', which has released globally. The report, however, shows that Delhi's air quality improved by approximately 15 per cent from 2019 to 2020. It said that despite the improvement, Delhi ranked as the 10th most polluted city and the top polluted capital city in the world. "India continues to feature prominently at the top of the ...