Past 24 Hours Pollutant Concentration Summary
Mong Kok
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-26 10:00 | 84.3 | 17.4 | 2.7 | 486.9 | 26.4 | 20.7 |
| 2024-04-26 09:00 | 49.0 | 7.7 | 3.8 | 265.4 | 17.7 | 12.6 |
| 2024-04-26 08:00 | 41.3 | 7.7 | 3.0 | 186.6 | 6.6 | 2.6 |
| 2024-04-26 07:00 | 38.2 | 9.7 | 3.0 | 182.7 | 16.4 | 9.4 |
| 2024-04-26 06:00 | 40.5 | 24.3 | 2.2 | 491.0 | 19.1 | 10.1 |
| 2024-04-26 05:00 | 39.5 | 37.0 | 1.8 | 448.7 | 25.5 | 12.4 |
| 2024-04-26 04:00 | 31.8 | 58.1 | 1.7 | 422.9 | 25.0 | 10.3 |
| 2024-04-26 03:00 | 35.1 | 58.1 | 1.7 | 422.7 | 20.3 | 8.7 |
| 2024-04-26 02:00 | 39.9 | 52.3 | 1.8 | 411.8 | 21.4 | 10.5 |
| 2024-04-26 01:00 | 46.6 | 44.4 | 2.0 | 419.6 | 23.3 | 11.4 |
| 2024-04-26 00:00 | 57.7 | 24.6 | 2.7 | 429.2 | 21.8 | 12.3 |
| 2024-04-25 23:00 | 62.9 | 11.4 | 3.4 | 464.5 | 18.7 | 11.6 |
| 2024-04-25 22:00 | 54.3 | 13.1 | 2.9 | 357.3 | 20.8 | 14.7 |
| 2024-04-25 21:00 | 57.3 | 6.0 | 3.8 | 545.8 | 16.7 | 11.0 |
| 2024-04-25 20:00 | 53.5 | 7.2 | 3.7 | 398.1 | 16.7 | 9.6 |
| 2024-04-25 19:00 | 66.5 | 5.4 | 4.5 | 414.0 | 16.6 | 9.7 |
| 2024-04-25 18:00 | 76.6 | 6.1 | 6.6 | 503.3 | 17.6 | 11.7 |
| 2024-04-25 17:00 | 75.5 | 9.2 | 5.5 | 364.1 | 18.3 | 9.9 |
| 2024-04-25 16:00 | 91.6 | 11.1 | 5.4 | 394.0 | 27.8 | 12.4 |
| 2024-04-25 15:00 | 93.1 | 15.0 | 5.0 | 388.3 | 31.1 | 15.9 |
| 2024-04-25 14:00 | 66.4 | 28.1 | 2.9 | 321.2 | 20.5 | 14.7 |
| 2024-04-25 13:00 | 56.0 | 11.3 | 3.6 | - | 14.5 | 10.3 |
| 2024-04-25 12:00 | 60.9 | 7.0 | 4.0 | 87.3 | 20.1 | 14.0 |
| 2024-04-25 11:00 | 69.7 | 5.5 | 4.5 | 225.2 | 30.4 | 21.0 |
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.