Sham Shui Po
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-10-29 04:00 | - | - | - | - | 24.6 | 17.2 |
| 2021-10-29 03:00 | 18.1 | 110.1 | 2.5 | - | 25.1 | 17.3 |
| 2021-10-29 02:00 | 18.6 | 114.4 | 2.7 | - | 28.0 | 15.9 |
| 2021-10-29 01:00 | 29.1 | 104.1 | 2.7 | - | 31.6 | 14.7 |
| 2021-10-29 00:00 | 40.0 | 90.5 | 2.7 | - | 33.5 | 17.6 |
| 2021-10-28 23:00 | 36.9 | 99.4 | 2.7 | - | 36.4 | 25.8 |
| 2021-10-28 22:00 | 46.3 | 90.7 | 2.9 | - | 37.4 | 24.7 |
| 2021-10-28 21:00 | 57.9 | 85.9 | 3.1 | - | 36.5 | 19.5 |
| 2021-10-28 20:00 | 60.1 | 90.3 | 3.5 | - | 36.8 | 15.9 |
| 2021-10-28 19:00 | 72.0 | 86.2 | 3.7 | - | 37.0 | 17.7 |
| 2021-10-28 18:00 | 73.8 | 86.7 | 3.4 | - | 40.5 | 22.0 |
| 2021-10-28 17:00 | 83.2 | 77.0 | 3.9 | - | 39.7 | 22.5 |
| 2021-10-28 16:00 | 75.8 | 79.0 | 4.0 | - | 36.1 | 22.5 |
| 2021-10-28 15:00 | 68.0 | 79.5 | 3.8 | - | 30.6 | 14.7 |
| 2021-10-28 14:00 | 63.2 | 77.9 | 3.8 | - | 32.3 | 13.3 |
| 2021-10-28 13:00 | 57.9 | 80.5 | 4.4 | - | 33.2 | 16.8 |
| 2021-10-28 12:00 | 52.6 | 80.4 | 4.0 | - | 31.8 | 20.1 |
| 2021-10-28 11:00 | 43.6 | 75.6 | 3.7 | - | 29.1 | 21.2 |
| 2021-10-28 10:00 | 48.6 | 67.9 | 3.6 | - | 24.0 | 12.1 |
| 2021-10-28 09:00 | 58.1 | 59.5 | 3.4 | - | 19.7 | 8.4 |
| 2021-10-28 08:00 | 42.0 | 70.8 | 3.1 | - | 19.2 | 9.5 |
| 2021-10-28 07:00 | 48.4 | 70.1 | 3.1 | - | 23.3 | 9.9 |
| 2021-10-28 06:00 | 21.8 | 92.6 | 2.4 | - | 27.4 | 10.3 |
| 2021-10-28 05:00 | 13.7 | 101.5 | 2.4 | - | 22.1 | 7.7 |
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.
