Table 1 Characteristics of the dataset.

From: Applicability analysis of tree-based ensemble learning for air pollutant prediction models

Variable type

Variable name

Variable description(units)

Air quality variable

PM10

µg/m3

PM2.5

µg/m3

CO

mg/m3

NO2

µg/m3

SO2

µg/m3

O3_8h

ozone 8 h(µg/m3)

Meteorological variables

2m_Temp.

2 m temperature(°C)

2m_RH

2 m relative humidity(%)

10m_WS

10 m wind speed(m/s)

10m_WD

10 m wind direction(°)

Precipitation

cm

Pressure

hPa

Other variables

City

Beijing

Shanghai

Tianjin

Chongqing

Date

Year/month/day