I've proven that these new machines are keeping my family's indoor PM2.5 under 10 ug/m3, which is the goal of the WHO and thus should be everyone's goal. So why would I even want to test anything else?
Category Archives: China public health
Here are all articles discussing public health in China: air pollution, food safety and many other health issues.
Checking Your Indoor PM2.5, Cheaply, With The Laser Egg
We can spend so much money on air purifier machines -- but how are we sure they're on the correct speeds, or in the best part of the room, or that the filters aren't clogged and need to be replaced early?