As Delhi-NCR slips once again into its familiar winter haze, the Air Quality Index (AQI) is touching hazardous levels. The sky has turned yellowish and misty, and as you step outside, you can ...

This winter, it was not only the AQI levels that shot up in India. Air pollution became so unbearable that it pushed air purifier sales to a new high. A report from Croma showed that the demand for ...