New Delhi, Oct. 17 -- As winter approaches, Delhi NCR's air quality is heading into the danger zone. On Wednesday, the city recorded an Air Quality Index (AQI) of 207, classified as "Severe," with PM2.5 levels at unhealthy highs. Breathing this air can affect everyone, but children, the elderly, and people with respiratory conditions are at greater risk. For many residents, investing in an air purifier has become essential.

Here's what you need to look out for while buying an air purifier in 2025

Not all air purifiers are built the same. One of the first things to check is the size of the room you want to use it in. A purifier too small for a large living room will struggle to clean the air effectively. Look for the Clean Air Delivery R...