Past 24 Hours Pollutant Concentration Summary
Mong Kok
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-05-06 00:00 | 69.0 | 55.1 | 2.6 | 477.6 | 16.3 | 12.4 |
| 2024-05-05 23:00 | 67.3 | 49.5 | 2.1 | 531.5 | 13.8 | 10.3 |
| 2024-05-05 22:00 | 67.9 | 52.1 | 2.0 | 516.5 | 16.4 | 12.7 |
| 2024-05-05 21:00 | 64.0 | 57.6 | 2.0 | 560.7 | 23.6 | 18.5 |
| 2024-05-05 20:00 | 68.6 | 54.5 | 2.1 | 603.2 | 25.6 | 19.5 |
| 2024-05-05 19:00 | 92.9 | 40.9 | 2.7 | 624.1 | 17.7 | 11.6 |
| 2024-05-05 18:00 | 96.7 | 37.3 | 3.0 | 515.8 | 16.1 | 10.3 |
| 2024-05-05 17:00 | 81.9 | 47.2 | 2.6 | 488.8 | 16.8 | 10.6 |
| 2024-05-05 16:00 | 75.6 | 57.0 | 2.4 | 474.4 | 18.0 | 12.8 |
| 2024-05-05 15:00 | 76.8 | 53.7 | 2.3 | 524.4 | 21.4 | 14.8 |
| 2024-05-05 14:00 | 85.9 | 47.1 | 2.6 | 592.3 | 24.0 | 17.2 |
| 2024-05-05 13:00 | 91.5 | 42.6 | 2.5 | 568.1 | 18.1 | 13.4 |
| 2024-05-05 12:00 | 65.6 | 60.4 | 2.1 | 517.7 | 12.6 | 8.7 |
| 2024-05-05 11:00 | 44.7 | 65.9 | 1.9 | 438.7 | 12.9 | 8.8 |
| 2024-05-05 10:00 | 55.0 | 47.5 | 1.8 | 432.8 | 11.5 | 7.1 |
| 2024-05-05 09:00 | 62.6 | 41.9 | 1.9 | 447.5 | 8.5 | 5.6 |
| 2024-05-05 08:00 | 62.8 | 40.7 | 1.7 | 453.0 | 8.4 | 5.3 |
| 2024-05-05 07:00 | 64.7 | 24.6 | 1.9 | 551.1 | 8.8 | 5.0 |
| 2024-05-05 06:00 | 43.5 | 52.8 | 1.6 | 557.5 | 9.3 | 5.3 |
| 2024-05-05 05:00 | 35.3 | 59.0 | 1.4 | 376.2 | 6.1 | 3.5 |
| 2024-05-05 04:00 | 34.8 | 54.7 | 1.5 | 411.2 | 6.9 | 4.8 |
| 2024-05-05 03:00 | - | 28.5 | - | - | 10.7 | 7.8 |
| 2024-05-05 02:00 | 67.8 | 16.1 | 1.8 | 711.6 | 12.1 | 9.1 |
| 2024-05-05 01:00 | 68.9 | 22.6 | 2.0 | 618.8 | 10.4 | 8.4 |
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.