| 1-hour TSP Monitoring Results | |||
| Location AM2 - Hong Kong & Islands Regional Office, WSD | |||
| Date | Time | Weather | Particulate Concentration ( µg/m3) |
| 1-Apr-17 | 9:00 | Sunny | 51.9 |
| 1-Apr-17 | 10:00 | Sunny | 50.8 |
| 1-Apr-17 | 11:00 | Sunny | 50.8 |
| 7-Apr-17 | 13:00 | Fine | 140.8 |
| 7-Apr-17 | 14:00 | Fine | 137.3 |
| 7-Apr-17 | 15:00 | Fine | 134.6 |
| 13-Apr-17 | 9:00 | Cloudy | 308.5 |
| 13-Apr-17 | 10:00 | Cloudy | 274.5 |
| 13-Apr-17 | 11:00 | Cloudy | 322.5 |
| 19-Apr-17 | 13:00 | Sunny | 172.6 |
| 19-Apr-17 | 14:00 | Sunny | 180.3 |
| 19-Apr-17 | 15:00 | Sunny | 148.7 |
| 25-Apr-17 | 9:00 | Cloudy | 196.2 |
| 25-Apr-17 | 10:00 | Cloudy | 187.4 |
| 25-Apr-17 | 11:00 | Cloudy | 207.4 |
| 28-Apr-17 | 14:00 | Cloudy | 87.4 |
| 28-Apr-17 | 15:00 | Cloudy | 81.1 |
| 28-Apr-17 | 16:00 | Cloudy | 71.2 |
| Average | 155.8 | ||
| Maximum | 322.5 | ||
| Minimum | 50.8 | ||