Beijingers on Tuesday morning woke up to a clear sky for the first time in weeks as strong winds battered the city, reducing the density of hazardous PM 2.5 fine particles and driving away pollutants, air quality monitoring sites showed.
The air quality index released by the US Embassy  showed that the density of PM2.5 fine particles – considered most hazardous to health – was just 9.0 micrograms per cubic metre at 9am on Tuesday morning, at the level “good.”
Beijing’s municipal environmental monitoring centre reported  that air quality levels in major districts were “excellent,” or at “level one,” the least polluted level on a scale of one to six, with six being the most polluted.
Many residents said on Sina Weibo that they were pleasantly surprised by a starry sky on Monday night – a rare treat for people living in the smog-locked capital – most likely also courtesy of the strong winds.
Meanwhile, temperatures will drop as much as 10 degrees across China starting on Tuesday, according to the weather forecast. Some parts of Guangdong will see rainfall, it said.