Mong Kok
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-05-20 05:00 | 25.9 | 56.6 | 1.4 | 284.6 | 6.3 | 3.4 |
| 2024-05-20 04:00 | 18.8 | 61.6 | 1.3 | 230.5 | 6.0 | 3.8 |
| 2024-05-20 03:00 | 17.7 | 65.5 | 1.3 | 235.7 | 4.4 | 3.5 |
| 2024-05-20 02:00 | 22.8 | 63.7 | 1.4 | 309.7 | 4.7 | 3.7 |
| 2024-05-20 01:00 | 39.8 | 52.3 | 1.5 | 343.4 | 7.3 | 6.0 |
| 2024-05-20 00:00 | 56.6 | 38.9 | 1.8 | 391.5 | 5.3 | 4.4 |
| 2024-05-19 23:00 | 61.9 | 35.2 | 2.1 | 477.4 | 9.4 | 7.6 |
| 2024-05-19 22:00 | 77.3 | 26.1 | 2.2 | 577.3 | 11.5 | 9.3 |
| 2024-05-19 21:00 | 74.7 | 38.0 | 2.1 | 560.9 | 21.1 | 17.1 |
| 2024-05-19 20:00 | 72.1 | 50.3 | 2.1 | 576.6 | 26.3 | 20.8 |
| 2024-05-19 19:00 | 68.8 | 55.4 | 2.1 | 524.2 | 17.7 | 12.3 |
| 2024-05-19 18:00 | 75.0 | 43.8 | 2.2 | 474.0 | 19.5 | 12.3 |
| 2024-05-19 17:00 | 72.4 | 44.9 | 2.3 | 446.7 | 32.8 | 18.5 |
| 2024-05-19 16:00 | 58.6 | 60.0 | 2.2 | 410.9 | 39.1 | 22.0 |
| 2024-05-19 15:00 | 64.3 | 56.7 | 2.1 | 471.5 | 31.3 | 19.6 |
| 2024-05-19 14:00 | 69.6 | 48.5 | 2.3 | 507.1 | 29.8 | 20.2 |
| 2024-05-19 13:00 | 62.3 | 51.8 | 2.3 | 438.5 | 27.5 | 14.3 |
| 2024-05-19 12:00 | 57.4 | 56.4 | 2.4 | 355.9 | 25.9 | 11.4 |
| 2024-05-19 11:00 | 60.6 | 48.1 | 2.4 | 423.1 | 28.7 | 14.0 |
| 2024-05-19 10:00 | 55.5 | 53.4 | 2.4 | 387.6 | 31.0 | 16.3 |
| 2024-05-19 09:00 | 50.6 | 57.6 | 2.5 | 404.5 | 35.3 | 21.5 |
| 2024-05-19 08:00 | 51.0 | 74.1 | 3.2 | 415.7 | 34.6 | 21.3 |
| 2024-05-19 07:00 | 52.6 | 88.1 | 3.4 | 482.7 | 35.3 | 23.2 |
| 2024-05-19 06:00 | 36.4 | 101.7 | 3.4 | 521.8 | 34.3 | 21.8 |
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.