How was Kolkata’s air quality in 2020? Did Kolkata’s air quality improve in 2020 compared to recent years? Air pollution in 2019 averaged levels nearly 7 times the World Health Organization’s (WHO) recommended limit for PM2.5 levels. Smart Air dove into the data to see if there was any improvement … Read more
Just like many other countries in the world, winter season in India brings with it a wave of air pollution. Those living in India are accustomed to heaving to breathe through thick blankets of smog. Many resort to using air purifiers at home and wearing masks while outdoors. But just … Read more
A Smart Air analysis of new air quality data found that pollution improved in 2019 in all major cities in india. Small PM2.5 particles in the air decreased from 2018 to 2019 by as much as 15.5%. Delhi Air Quality Even though all cities saw pollution decrease, Delhi saw just … Read more
Air quality in five of India’s major cities saw little improvement in 2018. In short, air quality was flat in Hyderabad year over year, while air quality worsened in Mumbai and Kolkata. Here’s the full data to show you just how bad India’s air quality levels were in 2018: Worsening … Read more
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, … Read more
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 … Read more
