| 1-hour TSP Monitoring Results | |||
| Location AM2 - Hong Kong & Islands Regional Office, WSD | |||
| Date | Time | Weather | Particulate Concentration ( µg/m3) |
| 4-May-17 | 8:15 | Cloudy | 155.7 |
| 4-May-17 | 9:15 | Cloudy | 161.6 |
| 4-May-17 | 10:15 | Cloudy | 163.6 |
| 9-May-17 | 9:00 | Sunny | 31.0 |
| 9-May-17 | 10:00 | Sunny | 29.9 |
| 9-May-17 | 11:00 | Sunny | 29.9 |
| 15-May-17 | 9:00 | Windy | 21.3 |
| 15-May-17 | 10:00 | Windy | 17.3 |
| 15-May-17 | 11:00 | Windy | 20.0 |
| 19-May-17 | 9:00 | Cloudy | 338.5 |
| 19-May-17 | 10:00 | Cloudy | 320.4 |
| 19-May-17 | 11:00 | Cloudy | 299.0 |
| 25-May-17 | 9:00 | Cloudy | 19.1 |
| 25-May-17 | 10:00 | Cloudy | 16.7 |
| 25-May-17 | 11:00 | Cloudy | 17.9 |
| 31-May-17 | 9:00 | Sunny | 22.7 |
| 31-May-17 | 10:00 | Sunny | 23.9 |
| 31-May-17 | 11:00 | Sunny | 22.7 |
| Average | 95.1 | ||
| Maximum | 338.5 | ||
| Minimum | 16.7 | ||