Air quality standards around the world varies widely (PM2.5 breakpoints in various AQIs) [OC]
from /r/dataisbeautiful
世界各地的空气质量标准差异很大(各种空气质量指数中的PM2.5断点)[OC]
世界各地的空气质量标准差异很大(各种空气质量指数中的PM2.5断点)[OC]
Air quality standards around the world varies widely (PM2.5 breakpoints in various AQIs) [OC]
from /r/dataisbeautiful