Tseung Kwan O
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-10-22 04:00 | 13.6 | 44.5 | 1.5 | 415.2 | 7.3 | 4.9 |
| 2021-10-22 03:00 | 17.3 | 44.3 | 0.8 | 470.1 | 11.2 | 5.2 |
| 2021-10-22 02:00 | 15.6 | 48.2 | 0.9 | 470.6 | 11.3 | 4.4 |
| 2021-10-22 01:00 | 15.8 | 51.7 | 1.1 | 469.5 | 10.6 | 7.2 |
| 2021-10-22 00:00 | 17.7 | 52.7 | 1.0 | 474.3 | 13.0 | 7.5 |
| 2021-10-21 23:00 | 20.1 | 51.1 | 1.3 | 481.3 | 22.1 | 10.1 |
| 2021-10-21 22:00 | 22.1 | 50.1 | 1.4 | 497.6 | 24.9 | 9.1 |
| 2021-10-21 21:00 | 26.3 | 47.6 | 1.6 | 500.1 | 19.5 | 9.6 |
| 2021-10-21 20:00 | 24.7 | 50.1 | 1.6 | 501.1 | 14.9 | 6.6 |
| 2021-10-21 19:00 | 38.6 | 37.9 | 1.5 | 548.2 | 13.1 | 3.2 |
| 2021-10-21 18:00 | 48.5 | 27.3 | 1.3 | 554.6 | 21.8 | 4.2 |
| 2021-10-21 17:00 | 33.2 | 41.7 | 1.5 | 506.0 | 24.5 | 4.4 |
| 2021-10-21 16:00 | 27.5 | 47.3 | 1.8 | 469.0 | 23.5 | 7.5 |
| 2021-10-21 15:00 | 29.1 | 48.0 | 1.5 | 465.9 | 21.9 | 9.1 |
| 2021-10-21 14:00 | 30.2 | 53.6 | 1.3 | 485.6 | 22.9 | 8.7 |
| 2021-10-21 13:00 | 21.4 | 62.0 | 1.2 | 479.7 | 21.9 | 8.8 |
| 2021-10-21 12:00 | 15.2 | 82.0 | 1.7 | 409.2 | 17.6 | 8.2 |
| 2021-10-21 11:00 | 14.7 | 90.7 | 1.3 | 372.0 | 15.6 | 10.6 |
| 2021-10-21 10:00 | 6.9 | 87.4 | 1.2 | 339.5 | 16.9 | 10.1 |
| 2021-10-21 09:00 | 15.9 | 70.5 | 1.4 | 413.0 | 16.1 | 7.5 |
| 2021-10-21 08:00 | 41.0 | 27.0 | 2.5 | 529.2 | 15.4 | 7.4 |
| 2021-10-21 07:00 | 53.6 | 8.4 | 2.1 | 567.9 | 13.1 | 6.7 |
| 2021-10-21 06:00 | 34.0 | 23.0 | 1.3 | 404.4 | 13.2 | 8.8 |
| 2021-10-21 05:00 | 26.7 | 33.5 | 1.2 | 409.7 | 14.9 | 8.2 |
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.
