As the world battles against poor air quality, a Swiss air quality technology company has categorized countries based on ...

The growing availability of low-cost air quality sensors is helping people across the world track air pollution.

Bengaluru reported an Air Quality Index of 32, one of the cleanest in India post-Diwali. In contrast, Delhi's AQI hit 336, ...

Delhi`s air quality remained in the very poor category on Monday, even as the weather department forecast partly cloudy ...