Air Quality Guardian IAQ meter

This is a smart APP to know the air quality or air pollution anytime , anywhere . Simple and easy to understand the air quality level from screen.
Screen displays digits( Current / one hour average / 8 hours average / 24 hours average ) or curves ( One hour / 30 days , 60 days ).
Selection: Language , Area , display frequency , display items .
See more information about health effects or regulation or source of the air quality or pollution.

There are wall mount/ desktop type , LED jumbo monitor type or two purposes ( Portable / wall mountable ) WiFi devices , including CO, CO2, Formaldehyde ( HCHO, CH2O) , TVOC , PM2.5 and PM10 , Ozone ...etc. Temperature, Relative humidity ,date and time are always displayed.

Each parameter features color bar for different air quality level ( Referred to International AQI standard ) .
All devices are manufactured in Taiwan with CE certified. The master units are traceable to NIST , ITRI , SMIT ...