top of page

FAQ, how to check the details of outdoor pollutants?

Click the icon, details of outdoor pollutants & weather will be shown.

The data will be updated hourly.  The outdoor data will be gotten from nearby station which is fixed when the PLACE first created.  It will not be changed even smartphone operate in another location.


 There are 2 main systems of API index, US and China, both systems use the same six “criteria” pollutant. The difference, however, is in the threshold of the pollutant concentration.

bottom of page