NEW DELHI -- When New Delhi's air quality plunged to "severe" levels this month, Gayatri Shrivastava switched on all three of her apartment's air purifiers -- two in the living room, one in the bedroom -- as a gray haze settled over the city.
Electronics
Chinese air purifier sales rise in India as clean air becomes a luxury
Delhi consumers seek affordability in market dominated by high-end Western brands
Air purifiers have become essential for upper- and middle-income households in New Delhi. (Photo by Quratulain Rehbar)
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