Past 24 Hours Pollutant Concentration Summary
Tseung Kwan O
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-11-29 14:00 | 9.2 | 55.7 | 3.9 | 61.2 | 9.6 | 0.8 |
| 2022-11-29 13:00 | 7.9 | 53.5 | 4.6 | 55.9 | 11.2 | 7.4 |
| 2022-11-29 12:00 | 7.1 | 52.8 | 4.4 | 36.5 | 9.6 | 7.0 |
| 2022-11-29 11:00 | 7.7 | 51.9 | 3.8 | 63.5 | 7.8 | 5.1 |
| 2022-11-29 10:00 | 9.8 | 44.6 | 4.4 | 98.9 | 7.5 | 5.2 |
| 2022-11-29 09:00 | 17.3 | 37.7 | 4.5 | 105.1 | 7.0 | 5.9 |
| 2022-11-29 08:00 | 26.0 | 31.3 | 4.5 | 119.1 | 7.6 | 6.6 |
| 2022-11-29 07:00 | 25.0 | 32.4 | 4.9 | 105.8 | 11.2 | 7.7 |
| 2022-11-29 06:00 | 12.8 | 43.4 | 4.5 | 73.6 | 13.2 | 11.7 |
| 2022-11-29 05:00 | 7.3 | 46.7 | 4.3 | 73.9 | 13.5 | - |
| 2022-11-29 04:00 | 10.3 | 43.6 | 4.7 | 79.7 | 15.9 | 15.8 |
| 2022-11-29 03:00 | 8.5 | 46.5 | 4.4 | 88.7 | 18.1 | - |
| 2022-11-29 02:00 | 13.3 | 44.7 | 4.1 | 134.7 | 21.2 | - |
| 2022-11-29 01:00 | 12.1 | 52.0 | 4.6 | 147.9 | 22.6 | - |
| 2022-11-29 00:00 | 19.8 | 49.3 | 4.2 | 162.9 | 20.8 | 19.1 |
| 2022-11-28 23:00 | 17.5 | 51.8 | 4.4 | 191.7 | 27.4 | 23.0 |
| 2022-11-28 22:00 | 16.3 | 58.6 | 4.8 | 196.3 | 39.6 | 28.5 |
| 2022-11-28 21:00 | 16.5 | 65.7 | 4.8 | 199.6 | 42.9 | 24.4 |
| 2022-11-28 20:00 | 30.8 | 47.2 | 4.5 | 269.7 | 35.2 | 20.2 |
| 2022-11-28 19:00 | 62.8 | 16.9 | 6.2 | 261.2 | 28.4 | 15.2 |
| 2022-11-28 18:00 | 60.7 | 12.4 | 6.2 | 162.0 | 25.6 | 12.5 |
| 2022-11-28 17:00 | 55.1 | 16.0 | 5.8 | 144.2 | 28.1 | 11.9 |
| 2022-11-28 16:00 | 45.5 | 25.2 | 5.3 | 98.2 | 28.7 | 8.9 |
| 2022-11-28 15:00 | 44.0 | 26.2 | 5.4 | 81.4 | 25.4 | 7.0 |
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.