Central
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-05-17 03:00 | 20.1 | 130.8 | 1.9 | 174.8 | 36.5 | 12.1 |
| 2024-05-17 02:00 | 30.4 | 127.4 | 1.6 | 220.9 | 41.9 | 16.8 |
| 2024-05-17 01:00 | 50.3 | 125.3 | 2.0 | 271.4 | 44.4 | 19.7 |
| 2024-05-17 00:00 | 66.5 | 122.1 | 2.3 | 357.5 | 49.2 | 23.5 |
| 2024-05-16 23:00 | 77.9 | 112.5 | 2.2 | 390.2 | 48.1 | 21.8 |
| 2024-05-16 22:00 | 59.1 | 130.2 | 2.2 | 553.7 | 55.0 | 27.7 |
| 2024-05-16 21:00 | 76.5 | 131.4 | 2.2 | 478.4 | 58.9 | 30.9 |
| 2024-05-16 20:00 | 93.3 | 124.0 | 2.3 | 498.8 | 60.9 | 32.3 |
| 2024-05-16 19:00 | 101.2 | 118.3 | 2.9 | 420.5 | 58.2 | 27.9 |
| 2024-05-16 18:00 | 101.1 | 112.3 | 3.1 | 443.5 | 58.1 | 28.1 |
| 2024-05-16 17:00 | 106.2 | 119.2 | 3.3 | 391.9 | 66.1 | 34.7 |
| 2024-05-16 16:00 | 82.4 | 151.1 | 2.9 | 406.0 | 61.5 | 30.8 |
| 2024-05-16 15:00 | 82.0 | 153.7 | 3.2 | 414.1 | 61.9 | 30.6 |
| 2024-05-16 14:00 | 69.8 | 162.7 | 3.2 | 492.6 | 54.3 | 25.6 |
| 2024-05-16 13:00 | 77.5 | 157.5 | 3.7 | 426.5 | 46.5 | 20.3 |
| 2024-05-16 12:00 | 98.0 | 133.3 | 4.1 | 498.0 | 50.7 | 23.2 |
| 2024-05-16 11:00 | 79.8 | 127.9 | 4.2 | 358.8 | 37.2 | 16.9 |
| 2024-05-16 10:00 | 89.4 | 96.2 | 4.1 | 318.1 | 28.5 | 14.3 |
| 2024-05-16 09:00 | 93.4 | 82.3 | 3.6 | 273.9 | 23.1 | 11.4 |
| 2024-05-16 08:00 | 67.0 | 92.9 | 2.8 | 267.4 | 23.0 | 12.4 |
| 2024-05-16 07:00 | 44.2 | 117.5 | 3.0 | 261.7 | 22.4 | 12.2 |
| 2024-05-16 06:00 | 29.5 | 132.2 | 3.4 | 271.5 | 22.1 | 13.1 |
| 2024-05-16 05:00 | 32.8 | 134.2 | 3.3 | 274.9 | 25.3 | 15.7 |
| 2024-05-16 04:00 | 31.2 | 146.3 | 3.3 | 399.0 | 25.8 | 16.6 |
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.
