The U.S. Embassy began independently monitoring PM2.5 from a device on its rooftop and releasing the results via Twitter. Some residents even tested the air in their neighborhoods and posted the results online. Beijing is now releasing hourly readings of PM2.5 that are taken from a monitoring site about 4 miles (7 kilometers) west of central Tiananmen Square.
The U.S. Embassy began independently monitoring PM2.5 from a device on its rooftop and releasing the results via Twitter. Some residents even tested the air in their neighborhoods and posted the results online.
ReplyDeleteBeijing is now releasing hourly readings of PM2.5 that are taken from a monitoring site about 4 miles (7 kilometers) west of central Tiananmen Square.