Table 1. Details for 11 monitoring cities in the study.
| Regions | Monitoring cities | Code | Geographical coordinates |
| Eastern coast | Haiyan | HY | 30.53°N, 120.95°E |
| Eastern coast | Ningbo | NB | 29.88°N, 121.56°E |
| Eastern coast | Linhai | LH | 28.86°N, 121.15°E |
| Eastern coast | Wenzhou | WZ | 28.00°N, 120.69°E |
| Eastern coast | Shengsi | SS | 30.72°N, 122.47°E |
| Central part | Hangzhou | HZ | 30.29°N, 120.15°E |
| Central part | Yiwu | YW | 29.32°N, 120.07°E |
| Central part | Lishui | LS | 28.45°N, 119.92°E |
| Western part | Jiande | JD | 29.48°N, 119.29°E |
| Western part | Quzhou | QZ | 28.95°N, 118.88°E |
| Western part | Jiangshan | JS | 28.74°N, 118.63°E |