Tap Mun
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-09-21 21:00 | 4.7 | 32.5 | 6.7 | 470.4 | 6.5 | 4.7 |
| 2021-09-21 20:00 | 4.4 | 39.4 | 6.7 | 449.2 | 5.2 | 3.4 |
| 2021-09-21 19:00 | 2.2 | 48.2 | 6.7 | 425.5 | 4.5 | 3.4 |
| 2021-09-21 18:00 | 4.2 | 59.2 | 6.9 | 422.6 | 2.3 | 1.7 |
| 2021-09-21 17:00 | 4.1 | 56.3 | 6.9 | 430.3 | 3.6 | 2.2 |
| 2021-09-21 16:00 | 7.8 | 50.1 | 7.4 | 466.4 | 2.9 | 2.1 |
| 2021-09-21 15:00 | 8.3 | 48.2 | 7.4 | 463.5 | 2.8 | 2.4 |
| 2021-09-21 14:00 | 5.6 | 82.6 | 8.0 | 455.1 | 6.4 | 4.7 |
| 2021-09-21 13:00 | 2.7 | 72.7 | 7.0 | 441.3 | 3.1 | 2.4 |
| 2021-09-21 12:00 | 2.2 | 59.3 | 6.9 | 429.1 | 4.9 | 4.2 |
| 2021-09-21 11:00 | 4.8 | 50.0 | 7.1 | 427.8 | 6.4 | 4.8 |
| 2021-09-21 10:00 | 19.0 | 30.3 | 8.0 | 465.8 | 7.7 | 4.3 |
| 2021-09-21 09:00 | 18.9 | 20.5 | 8.0 | 512.4 | 9.6 | 6.9 |
| 2021-09-21 08:00 | 16.5 | 11.9 | 7.5 | 501.5 | 8.4 | 4.3 |
| 2021-09-21 07:00 | 16.3 | 5.9 | 6.5 | 484.4 | 7.6 | 3.1 |
| 2021-09-21 06:00 | 14.6 | 5.8 | 6.6 | 471.3 | 6.9 | 1.6 |
| 2021-09-21 05:00 | 13.3 | 6.1 | 6.8 | 471.6 | 9.0 | 3.1 |
| 2021-09-21 04:00 | 12.3 | 10.4 | 6.7 | 470.7 | 10.3 | 4.7 |
| 2021-09-21 03:00 | 12.2 | 15.0 | 7.8 | 467.2 | 7.1 | 2.6 |
| 2021-09-21 02:00 | 12.5 | 19.7 | 6.8 | 460.4 | 8.2 | 3.9 |
| 2021-09-21 01:00 | 8.8 | 14.8 | 6.7 | 457.9 | 7.8 | 3.5 |
| 2021-09-21 00:00 | 8.0 | 17.9 | 6.1 | 446.5 | 7.2 | 3.1 |
| 2021-09-20 23:00 | 8.8 | 17.8 | 4.9 | 431.8 | 8.4 | 5.3 |
| 2021-09-20 22:00 | 8.6 | 24.1 | 5.2 | 439.1 | 6.6 | 4.1 |
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.
