[Retracted] Digital Twin-Based Ecogreen Building Design

Table 1

Measured pollutant concentration changes.

Pollutants	Pollution index	Concentration (mmol/L)	Changes
SO2	A++	0.7325	23
COH	A+	0.9944	24
CO	A++	0.4205	12
SO3	A	0.5951	42
PM2.5	B	0.7187	12