Table 2 Input features obtained from an air monitoring station.

From: Forecasting Air Quality in Taiwan by Using Machine Learning

Day

Air Monitoring Station

Dimensions

Features

Predicting day

Holiday or not, weekend or not, Saturday or not, Sunday or not, concentration difference, extrapolation of concentration, average pressure, average temperature, hour of the day, day of the week, and which year

11

Day before the predicting day Days before the predicting day

Holiday or not, weekend or not, Saturday or not, and Sunday or not, Concentration of air pollutant

5 × 2