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Indoor air pollution is a bigger health risk than outdoor air pollution in India, and sometimes cities are cleaner than nearby villages where household pollution is higher, according to the country's two top policy experts. Addressing the India Clean Air Summit (ICAS) 2024, Principal Advisor, Ministry of Health and Family Welfare, Soumya Swaminathan said, "Studies done in Delhi have shown that women's average exposure to high levels of black carbon (women who are mostly at home) is as much as auto-rickshaw passengers going around outdoor exposed to the ambient air pollution in Delhi, resulting in high systolic blood pressure." "Cities contribute less than 20 per cent to the overall state emissions, wherever they have been assessed, but household emissions predominate, ranging between 20 per cent and 40 per cent. Across the country, we are seeing is that sometimes cities are cleaner than the surrounding villages where household air pollution predominates," she said at the summit ...
India has topped a global indoor air pollution chart with the highest average annual PM2.5 levels followed by China, Turkey, UAE and South Korea, according to a study. Moreover, on the list of cities with highest average annual PM2.5 levels, national capital Delhi was on the top amongst the studied cities, followed by Beijing, Shanghai, Shenzhen and Busan, a Dyson statement said. The Dyson Global Connected Air Quality Data project analyses more than half a trillion data points, to understand user behaviours and compare indoor and outdoor air quality. The national sample size for India is 37,013 connected Dyson air purifiers. "India recorded the highest average annual PM2.5 levels, followed by China, Turkey, UAE, and South Korea, while in terms of indoor average VOCs, India ranked 7th among the top 10," said the report for which the data were collected from Dyson Purifiers connected to its app. It further said: "Moreover, Delhi topped the list of PM2.5 levels, amongst the studied .