Past 24 Hours Pollutant Concentration Summary
Tung Chung
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-10-06 01:00 | - | - | - | - | 19.3 | 9.8 |
| 2022-10-06 00:00 | 8.1 | 89.2 | 4.5 | 484.8 | 24.0 | 12.3 |
| 2022-10-05 23:00 | 9.3 | 88.5 | 4.6 | 486.7 | 20.4 | 8.9 |
| 2022-10-05 22:00 | 11.4 | 84.9 | 4.6 | 470.6 | 17.5 | 7.6 |
| 2022-10-05 21:00 | 12.8 | 80.8 | 4.7 | 471.5 | 15.6 | 6.5 |
| 2022-10-05 20:00 | 15.2 | 77.2 | 4.7 | 458.8 | 14.9 | 7.0 |
| 2022-10-05 19:00 | 10.2 | 80.2 | 4.6 | 459.9 | 18.3 | 7.0 |
| 2022-10-05 18:00 | 16.7 | 74.7 | 4.8 | 462.8 | 20.7 | 7.5 |
| 2022-10-05 17:00 | 14.0 | 77.3 | 4.8 | 446.2 | 23.5 | 6.7 |
| 2022-10-05 16:00 | 10.9 | 88.6 | 4.9 | 449.7 | 23.1 | 8.8 |
| 2022-10-05 15:00 | 13.3 | 96.0 | 5.1 | 476.9 | 21.2 | 16.0 |
| 2022-10-05 14:00 | 14.0 | 91.4 | 5.0 | 438.2 | 21.4 | 17.3 |
| 2022-10-05 13:00 | 14.7 | 99.1 | 5.3 | 492.8 | 25.6 | 21.0 |
| 2022-10-05 12:00 | 14.4 | 93.1 | 5.2 | 507.9 | 28.0 | 21.7 |
| 2022-10-05 11:00 | 24.8 | 68.0 | 5.5 | 546.0 | 25.1 | 18.7 |
| 2022-10-05 10:00 | 28.5 | 57.4 | 5.7 | 551.8 | 29.1 | 18.4 |
| 2022-10-05 09:00 | 30.6 | 51.1 | 5.5 | 560.5 | 27.6 | 16.5 |
| 2022-10-05 08:00 | 40.2 | 22.5 | 5.1 | 616.6 | 23.7 | 15.6 |
| 2022-10-05 07:00 | 34.6 | 22.4 | 4.8 | 519.7 | 24.5 | 17.8 |
| 2022-10-05 06:00 | 26.5 | 38.9 | 4.6 | 531.9 | 23.0 | 19.4 |
| 2022-10-05 05:00 | 14.0 | 42.7 | 4.4 | 549.3 | 21.2 | 19.9 |
| 2022-10-05 04:00 | 10.4 | 40.4 | 4.4 | 529.3 | 22.7 | 18.6 |
| 2022-10-05 03:00 | 16.7 | 30.7 | 4.5 | 557.4 | 25.2 | 16.1 |
| 2022-10-05 02:00 | 21.1 | 29.5 | 4.6 | 556.2 | 23.4 | 15.4 |
Remarks:
(1) Time shown is in Hong Kong time.
(2) NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates
(3) Concentration shown is in µg/m3.
(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.