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.

Check the Air Quality Index (AQI) in your city and stay informed about the air quality levels, from good to severe. Take ...

Thick smog engulfed Punjab’s capital on Saturday morning as Lahore topped the list of the world’s most polluted cities, ...

Air quality in India's capital New Delhi deteriorated to hazardous levels on Tuesday with readings the highest in the world, ...