Any suggestion to change indoor air quality around us

Some family have air purifier to clean the air pollution indoor.
But is there any other way to change the bad air in our daliy life. Air purification function, onion can do too.
Buy a single large heart a little onion, peel away the outer layer of wampee, revealing white ball shape, in the pointed end cut a corner, placed in containers without water, send out molecules can also achieve the effect of bacterial defense!
You can use particle counter to check the air quality result. if it is change or not.
So we are sure the laser particle counter will be the best helper to check air quality.
Otherwise we are not sure if the air quality really changed or not.


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reprinted:http://www.ionaircleaner.com/health_and_environment/2275.html