Past 24 Hours Pollutant Concentration Summary
Sham Shui Po
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-09-29 20:00 | 36.3 | 61.7 | 2.7 | - | 20.5 | 14.0 |
| 2023-09-29 19:00 | 63.6 | 43.5 | 6.1 | - | 22.0 | 15.0 |
| 2023-09-29 18:00 | 65.8 | 41.6 | 5.6 | - | 18.7 | 12.4 |
| 2023-09-29 17:00 | 66.6 | 36.0 | 5.1 | - | 16.6 | 10.3 |
| 2023-09-29 16:00 | 50.8 | 50.8 | 2.6 | - | 18.1 | 11.0 |
| 2023-09-29 15:00 | 60.9 | 45.1 | 3.0 | - | 18.5 | 11.4 |
| 2023-09-29 14:00 | 48.3 | 52.3 | 2.7 | - | 14.3 | 8.9 |
| 2023-09-29 13:00 | 45.3 | 50.1 | 2.4 | - | 14.0 | 8.1 |
| 2023-09-29 12:00 | 39.5 | 51.9 | 2.1 | - | 17.6 | 10.3 |
| 2023-09-29 11:00 | 33.8 | 51.2 | 2.4 | - | 16.6 | 9.9 |
| 2023-09-29 10:00 | 37.1 | 43.8 | 2.9 | - | 18.3 | 12.6 |
| 2023-09-29 09:00 | 45.8 | 26.3 | 3.3 | - | 11.3 | 8.6 |
| 2023-09-29 08:00 | 37.8 | 27.7 | 2.5 | - | 10.9 | 9.0 |
| 2023-09-29 07:00 | 25.8 | 42.2 | 2.2 | - | 12.8 | 8.1 |
| 2023-09-29 06:00 | 10.6 | 58.5 | 2.5 | - | 11.5 | 7.0 |
| 2023-09-29 05:00 | 10.1 | 59.1 | 2.0 | - | 10.8 | 6.6 |
| 2023-09-29 04:00 | - | - | - | - | 10.7 | 6.4 |
| 2023-09-29 03:00 | 9.1 | 62.0 | 1.9 | - | 10.9 | 5.4 |
| 2023-09-29 02:00 | 12.8 | 62.1 | 1.6 | - | 15.1 | 8.7 |
| 2023-09-29 01:00 | 18.6 | 59.3 | 2.1 | - | 17.4 | 10.1 |
| 2023-09-29 00:00 | 22.0 | 56.1 | 2.5 | - | 16.8 | 9.6 |
| 2023-09-28 23:00 | 28.2 | 57.1 | 2.5 | - | 17.8 | 10.4 |
| 2023-09-28 22:00 | 34.6 | 58.7 | 2.9 | - | 19.8 | 12.8 |
| 2023-09-28 21:00 | 42.3 | 59.1 | 2.8 | - | 23.0 | 15.9 |
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.