Tung Chung
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-03-29 01:00 | - | - | - | - | 11.7 | 4.5 |
| 2023-03-29 00:00 | 11.2 | 86.6 | 1.1 | 503.4 | 13.4 | 6.1 |
| 2023-03-28 23:00 | 12.7 | 83.4 | 1.1 | 497.0 | 19.6 | 10.6 |
| 2023-03-28 22:00 | 28.2 | 52.9 | 1.2 | 575.5 | 23.2 | 14.2 |
| 2023-03-28 21:00 | 23.5 | 64.3 | 0.9 | 566.5 | 18.2 | 11.9 |
| 2023-03-28 20:00 | 31.9 | 47.4 | 1.5 | 560.4 | 17.4 | 10.5 |
| 2023-03-28 19:00 | 41.7 | 50.7 | 0.9 | 563.1 | 19.6 | 11.5 |
| 2023-03-28 18:00 | 44.5 | 40.2 | 1.2 | 565.7 | 20.0 | 11.9 |
| 2023-03-28 17:00 | 32.5 | 56.9 | 0.7 | 523.7 | 21.8 | 12.8 |
| 2023-03-28 16:00 | 34.8 | 54.7 | 1.7 | 551.1 | 19.8 | 11.7 |
| 2023-03-28 15:00 | 38.5 | 33.8 | 1.3 | 564.4 | 15.8 | 8.6 |
| 2023-03-28 14:00 | 27.7 | 49.3 | 1.0 | 558.1 | 14.7 | 7.3 |
| 2023-03-28 13:00 | 19.9 | 65.0 | 1.1 | 530.1 | 13.5 | 7.0 |
| 2023-03-28 12:00 | 21.9 | 53.7 | 1.2 | 552.9 | 12.0 | 6.4 |
| 2023-03-28 11:00 | 20.3 | 52.9 | 0.9 | 552.4 | 13.3 | 7.8 |
| 2023-03-28 10:00 | 22.0 | 41.8 | - | 567.0 | 14.5 | 9.5 |
| 2023-03-28 09:00 | 19.4 | 39.9 | 0.2 | 561.1 | 6.5 | 3.3 |
| 2023-03-28 08:00 | 16.8 | 36.0 | 0.6 | 575.5 | 6.4 | 5.2 |
| 2023-03-28 07:00 | 19.8 | 8.2 | 0.5 | 633.4 | 5.3 | 4.3 |
| 2023-03-28 06:00 | 18.6 | 6.8 | 0.5 | 652.5 | 2.0 | 1.1 |
| 2023-03-28 05:00 | 17.3 | 11.7 | 0.2 | 631.7 | 4.4 | 3.5 |
| 2023-03-28 04:00 | 18.3 | 14.1 | 0.5 | 624.7 | 6.5 | 4.5 |
| 2023-03-28 03:00 | 20.3 | 9.9 | 0.5 | 618.7 | 7.7 | 4.2 |
| 2023-03-28 02:00 | 26.7 | 4.2 | 0.5 | 621.1 | 10.0 | 5.5 |
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.
