Smog and fog ground hundreds of Beijing flights

More than 150 flights to and from Beijing were cancelled or delayed on Tuesday as a thick cloud of acrid smog shrouded the city, with US figures saying the pollution was so bad it was off the scale.

Beijing authorities cancelled hundreds of flights and shut motorways on Monday as thick smog descended on the Chinese capital, reducing visibility at one of the world's busiest airports.

Millions of Chinese went online Tuesday to vent their anger over the thick smog that has blanketed Beijing in recent days, raising health fears and causing hundreds of flights to be cancelled.

Air pollution in Beijing reached "hazardous" levels on Monday, the US embassy said, as thick smog blanketed the city for the third day running, forcing the closure of highways and cancellation of flights.

Beijing authorities said they had met their target of "blue sky" days for 2011, amid growing public criticism that officials are underplaying the pollution problem in the Chinese capital.

China on Tuesday ordered local governments to reduce emissions of "major pollutants" by as much as 10 percent by 2015, amid growing public anxiety over the country's bad air.

Eight Chinese and two Indian airlines face fines of up to several million euros for not paying for their greenhouse gas emissions during flights within the bloc, the European Commission said on Friday.

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