Beijing PM 2.5 Concentration Chart
The data is downloaded from U.S. department of State. I think the observation point is located at the U.S. embassy in Beijing.
I used Rmarkdown and dygraphs to make the chart. Because of the restrictions of Medium editor, the actual chart is published on RPubs. Please use the link if you want to access the interactive plot and source code.
The air quality in Beijing is far from ideal, but most locals seem not to care at all. Wearing mask in heavily polluted days attracts unwanted attention and some people actually ask you to remove the mask. Making this kind of data exploration and visualization is my way of telling myself that I’m not insane…