SARAJEVO, Dec 20 (Reuters) - A blanket of fog and smog descended on the Bosnian capital of Sarajevo this week, reducing daytime visibility to a few dozen metres and forcing residents indoors as ...

Pakistan, Jan. 21 -- Lahore has once again become the world's most polluted city, with its air quality reaching "hazardous" levels. The city recorded an Air Quality Index (AQI) of 452 on Wednesday, ...

Nearly 40% of people in the U.S. are living in areas with unhealthy levels of air pollution and the country is backsliding on clean air progress as the effects of climate change intensify, according ...

NEW DELHI – After Diwali celebrations filled the skies with firecrackers and festive smoke, the Commission for Air Quality Management on October 21 reported an alarming deterioration in air quality ...