Yuen Long
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-05-16 11:00 | 28.9 | 165.3 | 3.2 | 274.9 | 18.6 | 10.2 |
| 2024-05-16 10:00 | 29.2 | 150.6 | 2.9 | 227.0 | 14.0 | 8.3 |
| 2024-05-16 09:00 | 32.7 | 132.9 | 2.7 | 221.7 | 14.3 | 8.9 |
| 2024-05-16 08:00 | 43.4 | 115.3 | 3.4 | 304.3 | 17.1 | 12.1 |
| 2024-05-16 07:00 | 38.8 | 119.9 | 3.4 | 317.4 | 16.4 | 11.6 |
| 2024-05-16 06:00 | 18.8 | 143.5 | 3.3 | 237.6 | 14.9 | 11.0 |
| 2024-05-16 05:00 | 14.8 | 149.8 | 2.9 | 225.3 | 18.7 | 14.6 |
| 2024-05-16 04:00 | 22.0 | 123.1 | 2.9 | 343.2 | 22.5 | 17.4 |
| 2024-05-16 03:00 | 21.7 | 118.0 | 2.7 | 396.5 | 22.7 | 17.4 |
| 2024-05-16 02:00 | 39.5 | 94.9 | 2.1 | 420.0 | 24.2 | 18.2 |
| 2024-05-16 01:00 | - | - | - | - | 22.8 | 16.2 |
| 2024-05-16 00:00 | 41.0 | 112.4 | 2.6 | 342.6 | 20.2 | 14.3 |
| 2024-05-15 23:00 | 50.7 | 112.5 | 3.0 | 378.9 | 22.3 | 15.4 |
| 2024-05-15 22:00 | 60.7 | 104.6 | 3.9 | 353.0 | 23.8 | 15.0 |
| 2024-05-15 21:00 | 89.6 | 85.5 | 6.7 | 325.8 | 28.3 | 18.5 |
| 2024-05-15 20:00 | 95.2 | 101.6 | 7.0 | 341.3 | 28.7 | 18.8 |
| 2024-05-15 19:00 | 55.7 | 161.5 | 4.9 | 317.1 | 32.6 | 20.7 |
| 2024-05-15 18:00 | 56.4 | 170.0 | 4.5 | 326.3 | 30.3 | 18.2 |
| 2024-05-15 17:00 | 39.8 | 180.7 | 4.1 | 328.2 | 29.2 | 15.5 |
| 2024-05-15 16:00 | 34.1 | 191.6 | 4.3 | 283.3 | 31.7 | 18.4 |
| 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 |
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.
