Enter the Smog: As smog descends on Indian cities, see what the information actually says


Is Delhi really the epicentre of India’s air high quality disaster? Is the air in different cities within the central-north area simply as unhealthy? Are there southern cities with equally unhealthy air high quality? As smog descends on Indian cities, we attempt to see what the information actually says.

Indian cities amongst most polluted

WHO discovered that 13 of the 20 cities with the worst air high quality in 2018 had been in India (after averaging annual PM 2.5 absolute focus throughout cities)


Dangerous air report from Delhi stations

Between Nov 5, 2018, and Nov 5, 2019, 9 of 10 air pollution watch stations that recorded the worst air high quality had been in Delhi. The primary station exterior the central-north belt to point out up on the checklist was in Kolkata, at 48th spot, and the primary southern station was in Chennai, at 73rd place.


It’s all seasonal in Delhi

The seasonality of Delhi’s unhealthy air is important. Wazirpur, which had the worst annualised air high quality over November 2018-2019, had a clear air window from July to September.


South breathes simple

Does the air high quality index in different cities ever attain Delhi-like ranges? In winter, Kolkata comes shut. Chennai, Mumbai and Hyderabad are largely within the protected zone all year long.


Most cities face unhealthy air

Most cities rating poorly on the air high quality index (AQI). The one distinction is that the variety of hazardous days are decrease when Wazirpur, Delhi in contrast with Delhi.

PM2.5 (month-to-month common) No. of days between November 2018 & 2019 with poor AQI (station studying)



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