It tells the air quality around you according to the concentration of PM10(Particulate Matter Less than 10㎛).
0~30 ㎍/㎥: good
31~80 ㎍/㎥: not bad
81~150 ㎍/㎥: bad
151 ㎍/㎥ ~: very bad * Currently, this …
It tells the air quality index(AQI) around you.
The Air Quality Indexes are based on PM2.5, PM10, Ozone, NO2, SO2 and CO hourly measurements. The table below defines the Air Quality Index scale as …