North
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-05-17 02:00 | 10.4 | 148.7 | 1.6 | 248.4 | 23.6 | 19.3 |
| 2024-05-17 01:00 | 11.3 | 159.4 | 1.9 | 257.1 | 24.3 | 18.5 |
| 2024-05-17 00:00 | 12.0 | 172.7 | 1.5 | 270.1 | 17.2 | - |
| 2024-05-16 23:00 | 15.5 | 171.8 | 0.9 | 326.0 | 25.9 | 24.4 |
| 2024-05-16 22:00 | 15.6 | 182.4 | 1.0 | 321.0 | 29.1 | 28.9 |
| 2024-05-16 21:00 | 18.5 | 185.9 | 1.1 | 316.0 | 20.5 | - |
| 2024-05-16 20:00 | 22.9 | 187.0 | 1.2 | 602.8 | 25.7 | 23.2 |
| 2024-05-16 19:00 | 25.4 | 174.8 | 1.2 | 494.1 | 26.1 | 24.5 |
| 2024-05-16 18:00 | 23.0 | 182.9 | 1.5 | 319.0 | 21.5 | - |
| 2024-05-16 17:00 | 30.2 | 188.0 | 1.7 | 414.8 | 24.9 | - |
| 2024-05-16 16:00 | 27.0 | 195.4 | 2.1 | 349.6 | 20.7 | - |
| 2024-05-16 15:00 | 26.5 | 199.0 | 2.3 | 321.2 | 13.3 | - |
| 2024-05-16 14:00 | 23.7 | 186.3 | 2.4 | 345.7 | 18.1 | - |
| 2024-05-16 13:00 | 23.5 | 172.6 | 2.5 | 367.6 | 17.4 | - |
| 2024-05-16 12:00 | 27.0 | 160.0 | 2.8 | 296.5 | 18.9 | 13.3 |
| 2024-05-16 11:00 | 29.0 | 149.8 | 2.6 | 280.4 | 20.9 | 10.7 |
| 2024-05-16 10:00 | 36.0 | 130.9 | 2.7 | 370.2 | 13.7 | 10.7 |
| 2024-05-16 09:00 | 36.5 | 121.0 | 2.6 | 327.7 | 14.7 | 14.3 |
| 2024-05-16 08:00 | 41.2 | 112.2 | 2.1 | 283.7 | 19.5 | 16.3 |
| 2024-05-16 07:00 | 29.1 | 127.4 | 2.6 | 322.8 | 18.1 | 15.2 |
| 2024-05-16 06:00 | 31.2 | 118.1 | 3.0 | 394.0 | 21.8 | 15.1 |
| 2024-05-16 05:00 | 22.5 | 123.3 | 2.7 | 367.8 | 19.7 | 15.7 |
| 2024-05-16 04:00 | 13.6 | 144.9 | 2.3 | 313.8 | 12.2 | - |
| 2024-05-16 03:00 | 12.2 | 144.6 | 2.4 | 302.8 | 10.3 | - |
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.
