Table 1.

The variables for calculation of the reduced Dose_PM2.5 (μg) for the 10-year-old children per day and over two months after the self-reflection of each city.

	Behavioral Patterns of 10- Year-Old Children in the Day	Activity Time (h)	Total Exposure Period (Texp., Day)	CPM2.5 (μg/m3) Reduced in 2020	I/O Ratio	Fdep.		Rbre. (m3/h)
						Br.	A.I.
Wuhan	Sleep	9	60	18	0.94	0.209	0.355	0.246
	Sitting/Rest	4	60	18	0.94	0.218	0.370	0.301
	Light activity	10	60	18	0.94	0.270	0.459	0.888
	Heavy activity	1	60	18	0.94	0.300	0.510	1.610
Daegu	Sleep	9	60	5.3	0.66	0.123	0.355	0.246
	Sitting/Rest	4	60	5.3	0.66	0.128	0.370	0.301
	Light activity	10	60	5.3	0.66	0.159	0.459	0.888
	Heavy activity	1	60	5.3	0.66	0.176	0.510	1.610
Tokyo	Sleep	9	60	0.36	0.39	0.123	0.355	0.246
	Sitting/Rest	4	60	0.36	0.39	0.128	0.370	0.301
	Light activity	10	60	0.36	0.39	0.159	0.459	0.888
	Heavy activity	1	60	0.36	0.39	0.176	0.510	1.610