Sham Shui Po
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-03-21 00:00 | 35.9 | 57.5 | 1.1 | - | 35.8 | 14.3 |
| 2023-03-20 23:00 | 47.6 | 52.1 | 1.0 | - | 41.4 | 16.4 |
| 2023-03-20 22:00 | 47.6 | 59.4 | 0.9 | - | 53.9 | 22.7 |
| 2023-03-20 21:00 | 59.7 | 52.1 | 1.2 | - | 55.8 | 17.4 |
| 2023-03-20 20:00 | 65.3 | 49.1 | 0.9 | - | 43.2 | 12.5 |
| 2023-03-20 19:00 | 72.4 | 44.1 | 0.9 | - | 31.5 | 13.1 |
| 2023-03-20 18:00 | 59.7 | 57.7 | 1.0 | - | 30.3 | 13.2 |
| 2023-03-20 17:00 | 56.5 | 62.7 | 2.1 | - | 31.3 | 14.3 |
| 2023-03-20 16:00 | - | - | - | - | - | - |
| 2023-03-20 15:00 | - | - | - | - | - | - |
| 2023-03-20 14:00 | - | - | - | - | - | - |
| 2023-03-20 13:00 | - | - | - | - | - | - |
| 2023-03-20 12:00 | 73.3 | 39.1 | 1.2 | - | 54.2 | 19.5 |
| 2023-03-20 11:00 | 64.0 | 43.6 | 1.5 | - | 43.5 | 16.3 |
| 2023-03-20 10:00 | 66.0 | 40.5 | 1.5 | - | 28.1 | 13.5 |
| 2023-03-20 09:00 | 69.8 | 36.0 | 1.6 | - | 20.8 | 13.2 |
| 2023-03-20 08:00 | 52.7 | 46.7 | 1.4 | - | 21.4 | 13.8 |
| 2023-03-20 07:00 | 30.6 | 68.1 | 0.8 | - | 14.4 | 9.2 |
| 2023-03-20 06:00 | 19.3 | 78.1 | 0.5 | - | 3.4 | - |
| 2023-03-20 05:00 | 14.6 | 80.9 | 0.6 | - | 1.8 | 1.6 |
| 2023-03-20 04:00 | 15.8 | 81.5 | 0.6 | - | 3.6 | 3.5 |
| 2023-03-20 03:00 | 15.0 | 84.8 | 0.5 | - | 5.7 | 5.0 |
| 2023-03-20 02:00 | 21.6 | 77.0 | 0.3 | - | 7.0 | 2.2 |
| 2023-03-20 01:00 | 28.7 | 71.1 | 0.2 | - | 6.1 | 2.1 |
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.
