Beijing says pollution lessened in 2015 despite smog alerts

Environmental authorities in Beijing say air quality improved in 2015, a year in which they issued the city's first two red smog alerts and showed a greater willingness to disrupt industry and ordinary people in search of ...

Smog shuts schools in Bosnia's Sarajevo

Air pollution forced Bosnian authorities to shut schools in the capital Sarajevo on Thursday, while smog levels also spiked in other parts of the Balkan country due to a lack of rainfall, local officials said.

More Chinese cities issue red alerts for heavy smog

More Chinese cities are issuing their first red alerts for pollution in response to forecasts of heavy smog, after the capital, Beijing, issued two this month following criticism for not releasing them earlier.

Iran closes capital's schools due to air pollution

Iran is to close schools for two days in Tehran, an official said on Saturday, following air pollution three times the acceptable level that has blanketed the city in smog.

Beijing schools close as city issues first smog red alert

Schools closed and rush-hour roads were much quieter than normal as Beijing invoked its first-ever red alert for smog Tuesday, closing many factories and imposing restrictions to keep half the city's vehicles off the roads.

Meeting the data challenges of urban computing

Many people living in the People's Republic of China and Hong Kong have a new habit: they check the air pollution index before venturing outside. Air quality has deteriorated rapidly in China, with nitrogen dioxide and particulate ...

page 5 from 6