Central
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-05-06 23:00 | 61.9 | 4.1 | 4.8 | 621.0 | 25.1 | 18.0 |
| 2024-05-06 22:00 | 72.6 | 3.8 | 4.9 | 715.5 | 37.3 | 27.9 |
| 2024-05-06 21:00 | 86.0 | 3.6 | 8.1 | 733.5 | 44.8 | 32.4 |
| 2024-05-06 20:00 | 87.9 | 4.6 | 6.8 | 847.7 | 36.1 | 28.6 |
| 2024-05-06 19:00 | 85.1 | 4.2 | 6.0 | 610.3 | 27.3 | 19.0 |
| 2024-05-06 18:00 | 94.8 | 5.4 | 5.1 | 527.0 | 35.0 | 24.4 |
| 2024-05-06 17:00 | 112.5 | 8.0 | 5.6 | 571.2 | 36.3 | 23.3 |
| 2024-05-06 16:00 | 117.3 | 7.5 | 7.4 | 918.3 | 43.5 | 29.3 |
| 2024-05-06 15:00 | 103.2 | 9.2 | 6.1 | 797.8 | 40.4 | 30.0 |
| 2024-05-06 14:00 | 87.4 | 10.5 | 4.8 | 697.3 | 33.3 | 23.6 |
| 2024-05-06 13:00 | 99.4 | 9.4 | 6.4 | 529.5 | 32.8 | 22.5 |
| 2024-05-06 12:00 | 106.0 | 5.8 | 7.0 | 507.0 | 34.6 | 24.7 |
| 2024-05-06 11:00 | 100.9 | 4.9 | 7.9 | 697.1 | 39.9 | 28.0 |
| 2024-05-06 10:00 | 96.0 | 6.0 | 5.7 | 634.6 | 27.1 | 19.4 |
| 2024-05-06 09:00 | 82.3 | 7.3 | 3.8 | 414.2 | 32.0 | 21.9 |
| 2024-05-06 08:00 | 73.3 | 5.3 | 4.1 | 488.8 | 31.8 | 22.4 |
| 2024-05-06 07:00 | 54.1 | 4.2 | 3.8 | 611.8 | 22.4 | 14.0 |
| 2024-05-06 06:00 | 43.2 | 4.6 | 2.7 | 514.7 | 19.4 | 12.1 |
| 2024-05-06 05:00 | 51.4 | 5.3 | 2.7 | 459.7 | 22.0 | 15.1 |
| 2024-05-06 04:00 | 64.3 | 9.7 | 2.6 | 516.1 | 32.4 | 25.1 |
| 2024-05-06 03:00 | - | 24.9 | - | - | 33.0 | 26.6 |
| 2024-05-06 02:00 | 63.6 | 44.5 | 2.1 | 499.5 | 22.2 | 17.8 |
| 2024-05-06 01:00 | 66.2 | 63.0 | 2.3 | 360.8 | 18.4 | 14.5 |
| 2024-05-06 00:00 | 65.8 | 62.2 | 1.9 | 325.8 | 16.3 | 13.2 |
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.