Key Points
India tops the list in Dyson's annual Global dust study, having the highest average annual PM2.5 levels and worst indoor air quality, especially during winter months...
India registered the highest average annual PM2.5 levels, with an Indoor Average PM2.5 measurement of 55.18 (g/m)..
Furthermore, among the studied cities, Delhi claims the highest spot in PM2.5 levels, with an annual average of 69.29, followed by Beijing, Shanghai, Shenzhen, and Busan...
Surprisingly, the air quality indoors during winter was discovered to be an alarming 15 per cent worse than the outside air, essentially trapping smoke within our living spaces..
In India, specifically, indoor air pollution worsens by 41 per cent during the winter months, reaching an even higher level of 48 per cent in Delhi..
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