Mong Kok
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-20 04:00 | 31.9 | 29.1 | 1.8 | 427.4 | 16.4 | 11.3 |
| 2024-04-20 03:00 | 31.0 | 27.7 | 1.8 | 376.9 | 17.8 | 12.4 |
| 2024-04-20 02:00 | 34.5 | 26.2 | 1.9 | 443.0 | 18.9 | 13.0 |
| 2024-04-20 01:00 | 42.4 | 20.4 | 2.0 | 454.8 | 20.9 | 14.4 |
| 2024-04-20 00:00 | 50.4 | 14.1 | 2.5 | 483.7 | 23.4 | 17.0 |
| 2024-04-19 23:00 | 55.1 | 10.0 | 3.0 | 559.9 | 19.7 | 13.7 |
| 2024-04-19 22:00 | 54.9 | 13.0 | 2.6 | 488.8 | 24.6 | 17.8 |
| 2024-04-19 21:00 | 56.8 | 13.0 | 3.1 | 646.0 | 30.2 | 21.9 |
| 2024-04-19 20:00 | 57.5 | 15.6 | 2.9 | 526.7 | 30.2 | 22.1 |
| 2024-04-19 19:00 | 65.6 | 10.8 | 3.5 | 490.9 | 24.8 | 17.4 |
| 2024-04-19 18:00 | 75.0 | 10.5 | 4.3 | 530.0 | 23.5 | 15.6 |
| 2024-04-19 17:00 | 73.5 | 11.6 | 4.1 | 491.9 | 24.0 | 16.0 |
| 2024-04-19 16:00 | 75.8 | 10.2 | 4.8 | 519.8 | 24.4 | 15.4 |
| 2024-04-19 15:00 | 71.8 | 14.0 | 3.9 | 438.2 | 18.7 | 10.6 |
| 2024-04-19 14:00 | 67.6 | 12.5 | 3.8 | 425.8 | 26.2 | 19.2 |
| 2024-04-19 13:00 | 64.5 | 16.2 | 3.6 | 427.9 | 27.7 | 19.4 |
| 2024-04-19 12:00 | 66.8 | 12.5 | 3.9 | 494.9 | 29.7 | 19.6 |
| 2024-04-19 11:00 | 63.4 | 11.6 | 3.5 | 485.8 | 34.8 | 24.9 |
| 2024-04-19 10:00 | 61.2 | 12.4 | 3.1 | 453.9 | 26.4 | 18.8 |
| 2024-04-19 09:00 | 59.6 | 11.6 | 2.9 | 392.6 | 19.6 | 14.9 |
| 2024-04-19 08:00 | 48.6 | 13.1 | 2.8 | 339.4 | 18.4 | 14.2 |
| 2024-04-19 07:00 | 45.4 | 10.9 | 2.4 | 392.9 | 12.7 | 9.4 |
| 2024-04-19 06:00 | 33.7 | 20.9 | 1.8 | 382.2 | 14.9 | 11.7 |
| 2024-04-19 05:00 | 32.8 | 18.4 | 1.7 | 431.5 | 14.0 | 10.9 |
Remarks:
(1) Time shown is in Hong Kong time.
(2) Concentration shown is in microgram per cubic metre (µg/m3).
(3) Abbreviation:
NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates
(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.