Impact Air Quality Monitoring Results 
1-hour TSP Monitoring Results at Station AM1A
(Fan Sin Temple, 3 Sheung Wun Yiu G/F)
Date Start 1st Hour 2nd Hour 3rd Hour
Time Conc. Conc. Conc.
(hh:mm) (µg/m3) (µg/m3) (µg/m3)
26-Apr-11 9:50 76.4 74.6 73.6
30-Apr-11 10:42 84.4 82.7 86.0
1-hour TSP Monitoring Results at Station AM2
(12 Shan Tong New Village G/F)
Date Start 1st Hour 2nd Hour 3rd Hour
Time Conc. Conc. Conc.
(hh:mm) (µg/m3) (µg/m3) (µg/m3)
26-Apr-11 10:00 75.4 77.6 78.5
30-Apr-11 10:03 83.7 85.5 86.4
1-hour TSP Monitoring Results at Station AM3
(Roof of Switch Room at Riverain Bayside)
Date Start 1st Hour 2nd Hour 3rd Hour
Time Conc. Conc. Conc.
(hh:mm) (µg/m3) (µg/m3) (µg/m3)
26-Apr-11 10:19 78.1 79.7 76.5
30-Apr-11 10:20 83.0 85.0 86.1
1-hour TSP Monitoring Results at Station AM4
(Roof of Tai Kwong Secondary School)
Date Start 1st Hour 2nd Hour 3rd Hour
Time Conc. Conc. Conc.
(hh:mm) (µg/m3) (µg/m3) (µg/m3)
26-Apr-11 13:24 77.2 79.2 80.1
30-Apr-11 13:39 87.7 89.1 99.3