Coronavirus lockdowns have led to an unprecedented fall in air pollution for these major cities

Coronavirus lockdowns have led to an unprecedented fall in air pollution for these major cities.

However, there has been a silver lining too. The Earth has begun breathing again after the factories closed down. The air quality has improved in many cities. Swiss-based air quality technology company, IQAir, which measured the pollutants before and after the pandemic. It showed that there has been a 60% fall of PM2.5 when compared to 2019. Seoul has a 54% drop in its PM levels and Wuhan registered a drop of 44%. The findings were published this Wednesday. 

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