And how did Los Angeles free itself from this toxic nuisance and bring back “sunny California”? The term “smog” is a contraction of the words “smoke” and “fog.” Smog usually consists of soot particles ...

It said it was fog and not smog in the early hours of the day. The IMD calls it fog if the relative humidity is over 75% and smog if it is less than 75%, with visibility less than 1,000 metres in ...

Amid the worst US flu season in several years, social media posts are claiming that noxious fog has triggered a series of ...

Mainly cold and dry weather is expected in most parts of the country, while very cold in northern parts and north Balochistan during the next 12 hours. Dense fog and smog is likely to persist in plain ...

BEIJING--Authorities issued their highest warnings for fog and haze on Tuesday as smog enveloped major cities in northern China, warning the public that visibility could drop to less than 50 ...

Mainly cold and dry weather is expected in most parts of the country, while very cold in hilly areas during the next twelve hours. Fog/smog (in patches) is likely to persist at a few plain areas of ...

Beijing from the air as smog blankets the city. China has ordered hundreds of factories to close and to restrict motorists to cut emissions. In Beijing flights were canceled at the city’s main ...

“Donora Death Fog — Clean Air and the Tragedy of a Pennsylvania Mill Town.” “Rumor of Blue Sky,” a 2009 documentary about the smog disaster created by Janet Whitney and Andrew ...