Sham Shui Po
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-10-22 06:00 | 15.5 | 39.5 | 1.9 | - | 3.9 | - |
| 2021-10-22 05:00 | 16.0 | 40.5 | 1.9 | - | 5.4 | - |
| 2021-10-22 04:00 | 15.0 | 43.6 | 1.9 | - | 3.2 | - |
| 2021-10-22 03:00 | 16.0 | 45.0 | 2.0 | - | 8.6 | 7.2 |
| 2021-10-22 02:00 | 19.1 | 44.7 | 1.9 | - | 15.3 | 10.0 |
| 2021-10-22 01:00 | 27.9 | 39.3 | 2.3 | - | 15.6 | 8.0 |
| 2021-10-22 00:00 | 27.6 | 42.1 | 2.4 | - | 17.2 | 8.0 |
| 2021-10-21 23:00 | 29.9 | 44.0 | 2.6 | - | 14.0 | 7.9 |
| 2021-10-21 22:00 | 26.5 | 50.6 | 2.5 | - | 11.7 | 6.5 |
| 2021-10-21 21:00 | 28.8 | 48.2 | 2.7 | - | 17.7 | 8.4 |
| 2021-10-21 20:00 | 43.2 | 37.3 | 3.1 | - | 21.9 | 7.7 |
| 2021-10-21 19:00 | 43.3 | 39.8 | 3.2 | - | 22.6 | 10.9 |
| 2021-10-21 18:00 | 49.4 | 32.6 | 3.2 | - | 29.0 | 14.0 |
| 2021-10-21 17:00 | 53.3 | 29.1 | 3.7 | - | 31.5 | 13.3 |
| 2021-10-21 16:00 | 57.4 | - | 4.0 | - | 24.3 | 8.9 |
| 2021-10-21 15:00 | 61.3 | - | 3.5 | - | 28.3 | 12.1 |
| 2021-10-21 14:00 | 57.8 | - | 3.8 | - | 29.6 | 15.2 |
| 2021-10-21 13:00 | 78.4 | - | 8.0 | - | 24.9 | 9.9 |
| 2021-10-21 12:00 | 74.7 | 24.1 | 9.5 | - | 19.4 | 7.4 |
| 2021-10-21 11:00 | 74.8 | 19.4 | 6.3 | - | 17.2 | 8.2 |
| 2021-10-21 10:00 | 60.5 | 27.8 | 4.6 | - | 17.1 | 8.2 |
| 2021-10-21 09:00 | 63.6 | 23.6 | 4.1 | - | 16.9 | 11.0 |
| 2021-10-21 08:00 | 47.3 | 40.1 | 3.2 | - | 15.4 | 11.3 |
| 2021-10-21 07:00 | 50.6 | 32.1 | 3.2 | - | 15.0 | 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.
