Past 24 Hours Pollutant Concentration Summary
Sham Shui Po
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-06-15 04:00 | - | - | - | - | 19.7 | 8.2 |
| 2021-06-15 03:00 | 15.1 | 45.1 | 7.0 | - | 21.9 | 10.9 |
| 2021-06-15 02:00 | 16.1 | 42.7 | 7.7 | - | 17.7 | 9.9 |
| 2021-06-15 01:00 | 18.2 | 41.3 | 7.4 | - | 15.7 | 7.4 |
| 2021-06-15 00:00 | 18.2 | 41.1 | 7.4 | - | 17.2 | 8.4 |
| 2021-06-14 23:00 | 29.8 | 29.4 | 7.2 | - | 14.3 | 6.0 |
| 2021-06-14 22:00 | 26.9 | 33.0 | 7.3 | - | 11.7 | 5.7 |
| 2021-06-14 21:00 | 23.5 | 38.4 | 7.6 | - | 12.8 | 4.5 |
| 2021-06-14 20:00 | 29.3 | 34.4 | 7.7 | - | 12.7 | 4.1 |
| 2021-06-14 19:00 | 24.0 | 40.5 | 7.5 | - | 13.4 | 5.3 |
| 2021-06-14 18:00 | 24.3 | 44.0 | 7.8 | - | 17.6 | 9.8 |
| 2021-06-14 17:00 | 26.4 | 42.6 | 9.9 | - | 21.2 | 10.1 |
| 2021-06-14 16:00 | 18.0 | 57.3 | 7.8 | - | 21.6 | 4.7 |
| 2021-06-14 15:00 | 27.7 | 49.2 | 9.6 | - | 20.6 | 6.9 |
| 2021-06-14 14:00 | 22.2 | 53.2 | 7.4 | - | 19.9 | 10.9 |
| 2021-06-14 13:00 | 20.0 | 54.6 | 7.5 | - | 18.8 | 9.6 |
| 2021-06-14 12:00 | 25.1 | 46.8 | 7.7 | - | 17.5 | 6.1 |
| 2021-06-14 11:00 | 26.1 | 44.8 | 8.0 | - | 18.9 | 5.9 |
| 2021-06-14 10:00 | 29.9 | 35.3 | 8.9 | - | 19.2 | 9.5 |
| 2021-06-14 09:00 | 23.0 | 34.7 | 8.0 | - | 14.8 | 9.8 |
| 2021-06-14 08:00 | 21.4 | 30.0 | 6.8 | - | 9.3 | 5.1 |
| 2021-06-14 07:00 | 20.4 | 28.9 | 7.2 | - | 8.0 | 3.3 |
| 2021-06-14 06:00 | 18.1 | 31.2 | 7.4 | - | 12.4 | 3.7 |
| 2021-06-14 05:00 | 14.6 | 35.1 | 7.3 | - | 13.5 | 4.1 |
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.