 "The 200,000-unit a year air purifier market will hit 400,000 units this year, according to industry estimates.")
Air purifiers, masks and respirators have been flying off the shelves since the capital region has come under a thick layer of smog.
Since Monday, sale of air purifiers has doubled. When air quality worsened on Tuesday, marketers saw a 250 per cent jump in sales.
The market for air purifiers is confined to northern India, which contributes close to 80 per cent of the annual sales of Rs 500 crore. For the past few years, the market has been growing by more than 50 per cent. However, growing awareness among consumers — thanks to promotional activities by all major marketers —
