Table 11.

February 2020 test results, CO, NO₂, PM10.

Pollutant (Input Set)	${\mathit{R}}^2$	RMSE
CO, LR (raw)	0.952	0.091
CO, RF (2019)	0.953	0.077
CO, RF (2019 + 2020)	0.957	0.065
NO2, LR (raw)	0.830	18.564
NO2, RF (2019)	0.853	15.667
NO2, RF (2019 + 2020)	0.856	10.564
PM10, LR (raw)	0.833	28.356
PM10, RF (2019)	0.844	12.071
PM10, RF (2019 + 2020)	0.863	11.046