Delhi: NO2 emissions rise by 125% in 1 year

Delhi recorded the highest increase in NO2 pollution among eight Indian cities.

According to a Greenpeace India study, Delhi recorded a spike in NO2 emissions between April 2020 and April 2021. Pollution levels increased by 125% in just a year - the highest among eight cities.

Satellite data showed that if weather conditions had been similar to 2020, NO2 levels in Delhi would have increased by as much as 146%.

As part of the study, Greenpeace India analysed NO2 concentrations in eight of the most populous capital cities in India including, Mumbai, Bangalore, Hyderabad, Chennai, Kolkata, Jaipur and Lucknow. 

The data showed that NO2 pollution increased by 52% in Mumbai, 90% in Bangalore, 69% in Hyderabad, 94% in Chennai, 11% in Kolkata, 47% in Jaipur and 32% in Lucknow in April 2021 compared to the same month last year.

Source: The Week

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