As Delhi’s air quality plunges to hazardous levels, the demand for air purifiers has surged sharply, with retailers and online marketplaces reporting a significant spike in sales ahead of the winter season. The national capital’s pollution crisis, aggravated by stubble burning and stagnant weather conditions, has pushed households, corporates, and institutions to invest in air-cleaning devices. Major brands like Dyson, Philips, Mi, and Honeywell are witnessing unprecedented consumer demand, with several models running low on stock.