|Air pollution in Beijing is apparently not as bad as some other cities in China|
This says a lot about not only collecting data properly, but also the individual municipalities' and provinces' concerns about public healthcare issues. PM 2.5 are tiny particulate matter smaller than 2.5 microns that can stay lodged in a person's lungs.
The environmental activist group says the entire country needs to make a concerted comprehensive and collected effort to reduce pollution.
But an earlier study in the same journal said air pollution accounted for 1.2 million premature deaths in 2010 alone.