Tap Mun
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-11-30 02:00 | 37.8 | 42.9 | 7.8 | 596.8 | 28.5 | 18.4 |
| 2021-11-30 01:00 | 44.8 | 27.3 | 6.9 | 617.6 | 27.9 | 19.4 |
| 2021-11-30 00:00 | 23.6 | 47.0 | 6.9 | 552.2 | 29.4 | 21.9 |
| 2021-11-29 23:00 | 18.4 | 57.9 | 6.9 | 534.7 | 26.6 | 19.4 |
| 2021-11-29 22:00 | 15.7 | 66.0 | 6.8 | 528.9 | 24.6 | 17.5 |
| 2021-11-29 21:00 | 14.8 | 69.1 | 6.9 | 513.0 | 24.5 | 18.3 |
| 2021-11-29 20:00 | 15.0 | 71.9 | 6.8 | 526.4 | 26.1 | 19.7 |
| 2021-11-29 19:00 | 19.7 | 83.0 | 7.1 | 561.9 | 28.8 | 19.4 |
| 2021-11-29 18:00 | 23.1 | 102.7 | 7.2 | 520.7 | 34.7 | 21.3 |
| 2021-11-29 17:00 | 13.0 | 143.4 | 8.0 | 495.2 | 38.1 | 21.0 |
| 2021-11-29 16:00 | 10.6 | 156.9 | 8.8 | 484.9 | 38.7 | 21.9 |
| 2021-11-29 15:00 | 10.1 | 159.5 | 8.8 | 477.7 | 37.8 | 21.3 |
| 2021-11-29 14:00 | 13.2 | 155.5 | 8.8 | 514.9 | 40.3 | 22.9 |
| 2021-11-29 13:00 | 17.0 | 141.1 | 9.4 | 537.6 | 42.8 | 22.1 |
| 2021-11-29 12:00 | 14.5 | 114.0 | 9.4 | 524.8 | 35.9 | 17.5 |
| 2021-11-29 11:00 | 15.5 | 93.9 | 9.8 | 534.7 | 35.0 | 19.6 |
| 2021-11-29 10:00 | 18.9 | 81.1 | 10.4 | 564.3 | 30.6 | 17.9 |
| 2021-11-29 09:00 | 20.4 | 74.5 | 10.7 | 550.1 | 29.0 | 20.3 |
| 2021-11-29 08:00 | 14.9 | 77.2 | 10.5 | 540.1 | 31.5 | 22.3 |
| 2021-11-29 07:00 | 13.0 | 78.5 | 10.3 | 533.6 | 34.4 | 25.4 |
| 2021-11-29 06:00 | 16.8 | 75.1 | 10.4 | 544.6 | 34.0 | 24.3 |
| 2021-11-29 05:00 | 13.9 | 78.2 | 10.5 | 553.2 | 36.5 | 25.0 |
| 2021-11-29 04:00 | 18.0 | 66.5 | 9.5 | 576.7 | 35.6 | 23.0 |
| 2021-11-29 03:00 | 23.4 | 54.4 | 9.6 | 595.9 | 28.7 | 17.5 |
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.