бондын бөмбөлөгт тээрмийн ажлын индекс. Beijing Air Pollution Real time Air Quality Index. The GAIA air quality monitoring stations are using high tech laser particle sensors to measure in real time PM2 5 pollution which is one of the most harmful air pollutants Very easy to set up they only require a WIFI access point and a USB power supply Once …
Цааш унших