Fine particulate matter in Delhi's winter air could be absorbing moisture, leading to an underestimation of PM1 pollution by ...

Most of the world has dirty air, with just 17% of global cities meeting WHO air pollution guidelines, a report Tuesday found.

This is where the best humidifiers come in as they can improve the air quality in your home and add moisture to an otherwise dehydrated space. Live Science spoke to Tim Carroll, a representative ...