Past 24 Hours Pollutant Concentration Summary
Sham Shui Po
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-01-23 00:00 | 34.3 | 50.6 | 2.8 | - | 6.7 | 2.8 |
| 2022-01-22 23:00 | 33.2 | 49.6 | 2.8 | - | 7.3 | 1.8 |
| 2022-01-22 22:00 | 36.3 | 48.0 | 3.2 | - | 4.1 | - |
| 2022-01-22 21:00 | 48.0 | 38.4 | 3.3 | - | 6.9 | 4.2 |
| 2022-01-22 20:00 | 51.0 | 37.5 | 3.3 | - | 10.5 | 2.5 |
| 2022-01-22 19:00 | 63.8 | 26.6 | 3.6 | - | 17.3 | 5.6 |
| 2022-01-22 18:00 | 78.8 | 12.9 | 4.2 | - | 15.3 | 7.5 |
| 2022-01-22 17:00 | 75.8 | 19.8 | 3.8 | - | 10.4 | 2.7 |
| 2022-01-22 16:00 | 65.2 | 27.8 | 3.6 | - | 3.2 | 2.8 |
| 2022-01-22 15:00 | 54.5 | 37.0 | 3.5 | - | 0.3 | - |
| 2022-01-22 14:00 | 56.7 | 32.3 | 3.6 | - | 4.7 | - |
| 2022-01-22 13:00 | 56.8 | 27.8 | 3.8 | - | 5.8 | 2.8 |
| 2022-01-22 12:00 | 60.7 | 22.2 | 3.9 | - | 6.0 | 3.6 |
| 2022-01-22 11:00 | 63.6 | 19.5 | 3.7 | - | 1.7 | - |
| 2022-01-22 10:00 | 56.1 | 22.2 | 3.4 | - | 1.8 | - |
| 2022-01-22 09:00 | 60.1 | 13.8 | 3.7 | - | 4.0 | - |
| 2022-01-22 08:00 | 46.9 | 23.2 | 3.3 | - | 0.6 | - |
| 2022-01-22 07:00 | 37.9 | 34.5 | 3.1 | - | 8.8 | - |
| 2022-01-22 06:00 | 27.4 | 48.2 | 3.6 | - | 13.5 | 4.9 |
| 2022-01-22 05:00 | 21.9 | 56.3 | 3.1 | - | 11.6 | 7.5 |
| 2022-01-22 04:00 | 15.5 | 67.9 | 2.7 | - | 13.8 | 10.5 |
| 2022-01-22 03:00 | 17.7 | 68.6 | 2.7 | - | 14.4 | 10.2 |
| 2022-01-22 02:00 | 21.8 | 65.8 | 2.5 | - | 13.3 | 10.3 |
| 2022-01-22 01:00 | 28.1 | 60.7 | 2.3 | - | 15.5 | 14.2 |
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.