Research Article

Correcting Air-Pressure Data Collected by MEMS Sensors in Smartphones

Table 1

Scale and rate of the meteorological data collected by smartphones.

Data scalePressureHumidityTemperatureAltitudeSpeed

Time range01/01/2014–31/08/2014 (240 days)

Location range
 Latitude33.20294–38.57546° N
 Longitude124.6549–131.8698° E

Number of users3,0969129291,4081,406

Number of total data2,654,548944,604949,859272,341268,651

Rate100%35.58%35.78%10.26%10.12%