Table 2.
Reduced DosePM2.5 (μg) at the bronchiolar and AI regions of the 10-year-old children per day and over two months after the city lockdown/self-reflection of each city.
| Behavioral Patterns of 10- Year-Old Children in the Day |
Activity Time (h) |
Reduced DosePM2.5 (μg) at Br. | Reduced DosePM2.5 (μg) at A.I. | |||
|---|---|---|---|---|---|---|
| 1 Day | 2-Month | 1 Day | 2-Month | |||
| Wuhan | Sleep | 9 | 7.82 | 469 | 13 | 798 |
| Sitting/Rest | 4 | 4.43 | 266 | 8 | 452 | |
| Light activity | 10 | 40.57 | 2434 | 69 | 4138 | |
| Heavy activity | 1 | 8.17 | 490 | 14 | 834 | |
| Total reduced DosePM2.5 (μg) | 61 | 3660 | 104 | 6222 | ||
| Daegu | Sleep | 9 | 0.95 | 57 | 3 | 165 |
| Sitting/Rest | 4 | 0.54 | 32 | 2 | 93 | |
| Light activity | 10 | 4.93 | 296 | 14 | 855 | |
| Heavy activity | 1 | 0.99 | 60 | 3 | 172 | |
| Total reduced DosePM2.5 (μg) | 7 | 445 | 21 | 1286 | ||
| Tokyo | Sleep | 9 | 0.04 | 2.3 | 0.1 | 7 |
| Sitting/Rest | 4 | 0.02 | 1.3 | 0.1 | 4 | |
| Light activity | 10 | 0.20 | 11.9 | 0.6 | 34 | |
| Heavy activity | 1 | 0.04 | 2.4 | 0.1 | 7 | |
| Total reduced DosePM2.5 (μg) | 0.30 | 17.9 | 0.9 | 52 | ||