Swiss air quality technology company, IQAir, released its 7th annual World Air Quality Report, highlighting trends in air ...

By contrast, heavy pollution levels were found in Africa and Central & South Asia. All up, the five most polluted countries ...

Air pollution remains a major health risk. In the U.S., California has the most polluted cities, while Hawaii and Washington ...

The Punjab Pollution Control Board on Thursday rejected the air quality study by a Swiss technology company that had declared ...

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

Byrnihat, declared the world's most polluted city, faces severe health issues due to industrial pollution. Residents report ...