How Much Do You Know About Air Pollution in China? Take the CRT Challenge

A traffic policeman signals to drivers during a smoggy day in Harbin, Heilongjiang province. Reuters

A traffic policeman signals to drivers during a smoggy day in Harbin, Heilongjiang province. Reuters

Test your knowledge on China’s air quality. China Real Time is putting readers to the test. You might be surprised what you find out.

Click here to access the quiz.