Nearly the entire world is breathing dirty air, as a shocking map reveals that just 17 per cent of the world's cities meet ...

Graves monitors the air quality using 15 sites around the Phoenix area. He says that after last Friday’s rain, the air ...

The thick, contaminated air covering many Indian cities is a daily reality for millions. In some places, the sun is barely ...

LAHORE: Tens of millions of Pakistanis spent at least four months breathing toxic air pollution 20 times above safe levels, ...