Past 24 Hours Pollutant Concentration Summary
Tseung Kwan O
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-09-28 14:00 | 8.8 | 107.5 | 1.1 | 142.0 | 24.4 | 18.0 |
| 2023-09-28 13:00 | 10.5 | 107.0 | 1.4 | 153.8 | 25.6 | 15.1 |
| 2023-09-28 12:00 | 10.2 | 103.1 | 1.6 | 142.5 | 24.9 | 13.3 |
| 2023-09-28 11:00 | 7.8 | 89.9 | 1.0 | 118.9 | 18.4 | 12.9 |
| 2023-09-28 10:00 | 8.6 | 77.4 | 1.0 | 126.6 | 15.5 | 10.4 |
| 2023-09-28 09:00 | 10.9 | 65.7 | 0.9 | 119.3 | 16.0 | 11.4 |
| 2023-09-28 08:00 | 11.6 | 60.5 | 0.9 | 120.0 | 17.4 | 12.1 |
| 2023-09-28 07:00 | 13.3 | 57.2 | 1.1 | 127.1 | 16.2 | 9.9 |
| 2023-09-28 06:00 | 7.6 | 61.7 | 1.1 | 114.4 | 13.7 | 7.1 |
| 2023-09-28 05:00 | 8.8 | 58.6 | 1.1 | 112.1 | 17.9 | 8.1 |
| 2023-09-28 04:00 | 7.3 | 59.8 | 1.7 | 112.8 | 20.5 | 11.9 |
| 2023-09-28 03:00 | 5.7 | 55.6 | 0.7 | 59.5 | 22.6 | 17.1 |
| 2023-09-28 02:00 | 7.0 | 55.3 | 0.5 | 65.9 | 20.8 | 17.9 |
| 2023-09-28 01:00 | 10.1 | 64.2 | 0.9 | 83.3 | 19.9 | 14.2 |
| 2023-09-28 00:00 | 12.5 | 64.5 | 0.8 | 96.4 | 23.6 | 14.0 |
| 2023-09-27 23:00 | 12.9 | 76.9 | 1.1 | 115.8 | 21.0 | 13.7 |
| 2023-09-27 22:00 | 19.7 | 69.6 | 1.3 | 108.3 | 18.5 | 12.6 |
| 2023-09-27 21:00 | 13.5 | 71.6 | 1.1 | 101.9 | 13.7 | 10.1 |
| 2023-09-27 20:00 | 24.8 | 60.3 | 1.2 | 103.0 | 13.4 | 11.3 |
| 2023-09-27 19:00 | 17.6 | 69.9 | 0.7 | 102.2 | 19.5 | 13.4 |
| 2023-09-27 18:00 | 15.7 | 105.8 | 1.4 | 160.0 | 25.9 | 13.2 |
| 2023-09-27 17:00 | 9.4 | 132.8 | 1.7 | 174.0 | 21.6 | 13.3 |
| 2023-09-27 16:00 | 10.4 | 125.0 | 1.6 | 183.5 | 18.0 | 12.8 |
| 2023-09-27 15:00 | 7.5 | 109.6 | 1.2 | 133.3 | 24.1 | 16.4 |
Remarks:
(1) Time shown is in Hong Kong time.
(2) NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates
(3) Concentration shown is in µg/m3.
(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.