Your room size decides if the purifier will work, or not. Dr Kaushal explains - multiply room square footage by 2-4 for ...

Since I first started reviewing air purifiers for WIRED in 2018, I’ve tested dozens and dozens of the health-protecting appliances, usually for months at a time. I started out looking into how to ...

Delhi continues to choke, and again wakes up to toxic air on Friday, as the Air Quality Index (AQI) stayed in 'severe' category. As of 8am, the Anand Vihar monitoring station recorded an AQI of 418 as ...