New analysis from Smart Air finds that 2018 was a good year for air quality for India’s major cities. Air quality was flat or down in three of five cities—Delhi, Hyderabad, and Chennai. Yet two cities saw air pollution rise significantly. PM2.5 pollution was up 17% in Kolkata, exceeding nine times the World […]
Tag: West Bengal
Did Kolkata’s Air Get Better in 2018?
Analyzing air pollution data from the US Consulate, Smart Air found that Kolkata’s air pollution rose 19% in 2018 compared to last year. This extra smog pushes Kolkata to an average of more than nine times the World Health Organization’s annual limit. Kolkata started the year with January pollution above 2017. Kolkata air pollution […]
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