From Reuters:
China is likely to introduce new pollution monitoring measures in 2009 and learn from action taken during the Olympics to try and ensure Beijing does not sink back into smog, officials said on Sunday.
Fan Yuansheng, director general of the department of pollution control at the Environmental Protection Ministry, said China would also probably carry on keeping some government vehicles off Beijing’s roads after the Games. . . .
China currently monitors sulphur dioxide, nitrogen dioxide, carbon monoxide and particulate matter with an aerodynamic diameter of 10 micrometers or less, known as PM 10, but the measures do not cover finer particles called PM 2.5.
“Personally I think we will start formal monitoring (of ozone and PM 2.5) from next year,” said Fan.