Past 24 Hours Pollutant Concentration Summary
Tung Chung
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-19 15:00 | 15.1 | 50.4 | 1.1 | 410.2 | 11.2 | 7.4 |
| 2024-04-19 14:00 | 8.6 | 54.1 | 1.3 | 429.0 | - | - |
| 2024-04-19 13:00 | 6.9 | 55.1 | 0.9 | 392.2 | - | - |
| 2024-04-19 12:00 | 5.3 | 53.0 | 1.0 | 429.4 | - | - |
| 2024-04-19 11:00 | 7.7 | 51.5 | 0.9 | 401.7 | 11.1 | 9.3 |
| 2024-04-19 10:00 | 6.2 | 50.9 | 1.0 | 394.9 | 13.6 | 11.6 |
| 2024-04-19 09:00 | 4.4 | 52.2 | 1.1 | 398.2 | 13.2 | 11.6 |
| 2024-04-19 08:00 | 6.0 | 48.6 | 1.6 | 409.6 | 10.8 | 9.6 |
| 2024-04-19 07:00 | 2.8 | 45.5 | 0.7 | 373.8 | 12.9 | 11.6 |
| 2024-04-19 06:00 | 3.4 | 47.7 | 0.9 | 409.5 | 12.0 | 10.9 |
| 2024-04-19 05:00 | 2.8 | 47.1 | 1.0 | 373.2 | 10.4 | 9.1 |
| 2024-04-19 04:00 | 2.8 | 45.9 | 0.9 | 402.4 | 10.7 | 9.0 |
| 2024-04-19 03:00 | 3.3 | 45.8 | 1.3 | 394.0 | 11.6 | 9.9 |
| 2024-04-19 02:00 | 4.8 | 43.5 | 0.8 | 413.1 | 9.6 | 8.3 |
| 2024-04-19 01:00 | 5.2 | 43.6 | 1.3 | 415.6 | 9.4 | 7.8 |
| 2024-04-19 00:00 | 6.3 | 45.5 | 0.9 | 429.8 | 8.8 | 7.5 |
| 2024-04-18 23:00 | 8.9 | 47.0 | 0.9 | 433.3 | 10.5 | 8.2 |
| 2024-04-18 22:00 | 50.5 | 32.2 | 1.4 | 532.5 | 7.2 | 4.8 |
| 2024-04-18 21:00 | 53.4 | 35.2 | 1.3 | 536.8 | 7.8 | 5.8 |
| 2024-04-18 20:00 | 61.9 | 37.6 | 1.8 | 566.5 | 9.8 | 7.1 |
| 2024-04-18 19:00 | 55.4 | 55.8 | 1.4 | 516.5 | 6.2 | 3.9 |
| 2024-04-18 18:00 | 51.5 | 75.9 | 1.8 | 509.8 | 9.4 | 7.9 |
| 2024-04-18 17:00 | 67.5 | 55.5 | 1.4 | 468.6 | 17.9 | 13.5 |
| 2024-04-18 16:00 | 90.3 | 18.5 | 1.8 | 555.9 | 12.8 | 8.8 |
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.