Past 24 Hours Pollutant Concentration Summary
Sham Shui Po
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-01-30 05:00 | - | - | - | - | - | - |
| 2023-01-30 04:00 | - | - | - | - | - | - |
| 2023-01-30 03:00 | - | - | - | - | - | - |
| 2023-01-30 02:00 | - | - | - | - | - | - |
| 2023-01-30 01:00 | - | - | - | - | - | - |
| 2023-01-30 00:00 | - | - | - | - | - | - |
| 2023-01-29 23:00 | - | - | - | - | - | - |
| 2023-01-29 22:00 | 106.9 | 9.4 | 5.5 | - | 48.2 | 23.3 |
| 2023-01-29 21:00 | 111.5 | 12.3 | 7.4 | - | 52.7 | 19.3 |
| 2023-01-29 20:00 | 100.3 | 27.1 | 9.1 | - | 52.1 | 12.1 |
| 2023-01-29 19:00 | 57.6 | 72.2 | 5.8 | - | 48.9 | 8.7 |
| 2023-01-29 18:00 | 45.1 | 87.6 | 5.4 | - | 47.6 | 13.4 |
| 2023-01-29 17:00 | 47.5 | 84.8 | 6.3 | - | 43.6 | 15.6 |
| 2023-01-29 16:00 | 36.8 | 96.4 | 5.8 | - | 41.4 | 12.3 |
| 2023-01-29 15:00 | 28.2 | 98.5 | 3.7 | - | 44.0 | 3.1 |
| 2023-01-29 14:00 | 27.0 | 92.7 | 3.7 | - | 45.0 | 5.4 |
| 2023-01-29 13:00 | 40.4 | 74.4 | 4.2 | - | 39.9 | 21.8 |
| 2023-01-29 12:00 | 23.1 | 89.8 | 3.4 | - | 38.0 | - |
| 2023-01-29 11:00 | 28.5 | 78.0 | 3.7 | - | 40.2 | - |
| 2023-01-29 10:00 | 25.8 | 76.1 | 3.2 | - | 42.9 | 20.0 |
| 2023-01-29 09:00 | 23.1 | 80.4 | 3.5 | - | 45.8 | 29.9 |
| 2023-01-29 08:00 | 35.2 | 67.5 | 3.9 | - | 47.8 | 38.5 |
| 2023-01-29 07:00 | 20.5 | 82.7 | 3.4 | - | 49.5 | 32.3 |
| 2023-01-29 06:00 | 15.5 | 89.9 | 3.2 | - | 47.1 | 18.4 |
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.