Yuen Long
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-29 15:00 | 24.1 | 40.5 | 1.8 | 520.8 | 14.4 | 8.2 |
| 2024-04-29 14:00 | 19.1 | 44.0 | 1.7 | 501.8 | 13.3 | 8.2 |
| 2024-04-29 13:00 | 21.3 | 38.9 | 1.6 | 518.7 | 13.0 | 7.4 |
| 2024-04-29 12:00 | 22.9 | 35.8 | 2.0 | 525.2 | 15.2 | 9.0 |
| 2024-04-29 11:00 | 24.4 | 33.1 | 1.9 | 526.4 | 14.8 | 8.2 |
| 2024-04-29 10:00 | 36.4 | 22.3 | 1.8 | 557.5 | 14.4 | 8.2 |
| 2024-04-29 09:00 | 35.8 | 21.7 | 1.9 | 597.1 | 13.0 | 6.8 |
| 2024-04-29 08:00 | 37.1 | 22.2 | 1.5 | 609.9 | 14.2 | 7.7 |
| 2024-04-29 07:00 | 27.2 | 30.6 | 1.5 | 562.7 | 15.7 | 9.0 |
| 2024-04-29 06:00 | 16.7 | 37.4 | 1.3 | 511.0 | 12.5 | 6.1 |
| 2024-04-29 05:00 | 22.4 | 34.9 | 1.4 | 546.2 | 12.4 | 4.8 |
| 2024-04-29 04:00 | 16.6 | 42.6 | 1.4 | 513.9 | 12.6 | 5.2 |
| 2024-04-29 03:00 | 14.4 | 49.9 | 1.1 | 527.3 | 10.7 | 4.9 |
| 2024-04-29 02:00 | 13.9 | 51.8 | 0.6 | 533.3 | 10.1 | 5.2 |
| 2024-04-29 01:00 | 20.0 | 51.1 | 0.8 | 540.2 | 8.1 | 4.1 |
| 2024-04-29 00:00 | 22.6 | 52.3 | 1.1 | 534.5 | 9.8 | 4.9 |
| 2024-04-28 23:00 | 26.0 | 47.8 | 1.4 | 563.5 | 9.9 | 5.4 |
| 2024-04-28 22:00 | 29.2 | 50.8 | 1.2 | 574.2 | 10.6 | 5.8 |
| 2024-04-28 21:00 | 31.1 | 57.6 | 1.3 | 606.6 | 9.5 | 4.9 |
| 2024-04-28 20:00 | 20.8 | 73.2 | 0.9 | 558.9 | 8.7 | 5.7 |
| 2024-04-28 19:00 | 24.1 | 80.7 | 0.8 | 626.9 | 7.9 | 6.1 |
| 2024-04-28 18:00 | 21.2 | 90.2 | 1.3 | 626.6 | 5.8 | 4.7 |
| 2024-04-28 17:00 | 19.6 | 91.8 | 1.3 | 624.5 | 5.1 | 4.6 |
| 2024-04-28 16:00 | 22.6 | 83.5 | 1.2 | 612.8 | 1.7 | - |
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.
