Yuen Long
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-05-15 15:00 | 34.4 | 190.1 | 4.5 | 305.1 | 27.8 | 16.6 |
| 2024-05-15 14:00 | 20.4 | 184.1 | 3.0 | 288.7 | 25.9 | 16.6 |
| 2024-05-15 13:00 | 15.5 | 175.2 | 3.4 | 304.4 | 21.7 | 12.9 |
| 2024-05-15 12:00 | 18.8 | 168.5 | 3.4 | 306.5 | 19.7 | 9.9 |
| 2024-05-15 11:00 | 17.7 | 146.5 | 3.2 | 281.0 | 20.6 | 10.9 |
| 2024-05-15 10:00 | 16.8 | 131.8 | 2.7 | 291.6 | 20.1 | 11.2 |
| 2024-05-15 09:00 | 16.8 | 120.3 | 2.6 | 256.0 | 16.0 | 7.6 |
| 2024-05-15 08:00 | 20.9 | 108.3 | 2.8 | 279.7 | 17.1 | 9.6 |
| 2024-05-15 07:00 | 38.1 | 76.2 | 2.1 | 307.0 | 18.8 | 11.4 |
| 2024-05-15 06:00 | 22.5 | 87.7 | 1.6 | 279.0 | 16.5 | 9.0 |
| 2024-05-15 05:00 | 12.7 | 129.6 | 2.2 | 223.8 | 16.9 | 9.3 |
| 2024-05-15 04:00 | 9.5 | 135.0 | 2.4 | 233.5 | 15.7 | 8.0 |
| 2024-05-15 03:00 | 8.1 | 137.9 | 2.2 | 222.0 | 16.2 | 8.8 |
| 2024-05-15 02:00 | 12.4 | 134.4 | 1.8 | 205.0 | 16.9 | 9.8 |
| 2024-05-15 01:00 | 19.0 | 127.3 | 2.3 | 249.0 | 17.2 | 10.3 |
| 2024-05-15 00:00 | 34.7 | 108.6 | 2.1 | 289.8 | 16.8 | 10.0 |
| 2024-05-14 23:00 | 31.6 | 118.4 | 2.2 | 343.7 | 16.6 | 10.7 |
| 2024-05-14 22:00 | 34.1 | 113.3 | 1.9 | 333.9 | 16.7 | 10.9 |
| 2024-05-14 21:00 | 37.1 | 105.8 | 2.5 | 313.8 | 19.4 | 11.8 |
| 2024-05-14 20:00 | 69.0 | 76.6 | 3.0 | 322.6 | 20.7 | 11.1 |
| 2024-05-14 19:00 | 50.2 | 106.1 | 3.0 | 291.3 | 22.8 | 11.6 |
| 2024-05-14 18:00 | 51.8 | 117.5 | 3.4 | 343.7 | 27.4 | 12.2 |
| 2024-05-14 17:00 | 54.5 | 123.1 | 3.8 | 278.3 | 27.2 | 11.6 |
| 2024-05-14 16:00 | 46.4 | 141.0 | 3.3 | 331.1 | 27.1 | 11.4 |
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.
