Past 24 Hours Pollutant Concentration Summary
Tseung Kwan O
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-25 07:00 | 20.7 | 98.8 | 1.2 | 282.6 | 4.9 | 4.7 |
| 2024-04-25 06:00 | 10.9 | 110.0 | 2.0 | 253.5 | 7.1 | 4.0 |
| 2024-04-25 05:00 | 6.9 | 112.6 | 1.4 | 227.1 | 15.5 | 9.1 |
| 2024-04-25 04:00 | 6.7 | 95.5 | 2.3 | 251.1 | 13.4 | 9.5 |
| 2024-04-25 03:00 | 17.5 | 80.9 | 1.1 | 250.5 | 13.0 | 8.9 |
| 2024-04-25 02:00 | 8.8 | 91.5 | 1.4 | 233.4 | 19.6 | 8.6 |
| 2024-04-25 01:00 | 11.7 | 89.3 | 1.3 | 226.1 | 25.3 | 14.6 |
| 2024-04-25 00:00 | 18.1 | 75.8 | 1.4 | 248.7 | 25.2 | 21.0 |
| 2024-04-24 23:00 | 27.1 | 59.9 | 1.3 | 344.9 | 25.3 | 19.6 |
| 2024-04-24 22:00 | 17.3 | 84.8 | 1.6 | 349.7 | 25.0 | 18.7 |
| 2024-04-24 21:00 | 16.2 | 95.7 | 1.9 | 337.8 | 27.0 | 24.3 |
| 2024-04-24 20:00 | 17.9 | 96.6 | 1.1 | 325.1 | 31.6 | 29.0 |
| 2024-04-24 19:00 | 19.0 | 98.1 | 1.2 | 316.4 | 36.3 | 31.9 |
| 2024-04-24 18:00 | 28.4 | 87.0 | 1.2 | 300.8 | 35.1 | 27.3 |
| 2024-04-24 17:00 | 32.5 | 83.5 | 1.1 | 314.5 | 32.9 | 22.1 |
| 2024-04-24 16:00 | 55.9 | 55.6 | 1.1 | 327.5 | 31.2 | 25.6 |
| 2024-04-24 15:00 | 57.5 | 40.0 | 1.9 | 362.0 | 29.5 | 27.1 |
| 2024-04-24 14:00 | 54.0 | 24.5 | 1.6 | 337.8 | 30.7 | 19.0 |
| 2024-04-24 13:00 | 46.3 | 29.3 | 2.8 | 366.7 | 28.0 | 19.2 |
| 2024-04-24 12:00 | 24.4 | 50.7 | 3.0 | 349.9 | 22.7 | 20.1 |
| 2024-04-24 11:00 | 34.7 | 32.9 | 3.0 | 378.2 | 22.5 | 15.8 |
| 2024-04-24 10:00 | 28.7 | 31.6 | 3.8 | 362.1 | 23.6 | 15.7 |
| 2024-04-24 09:00 | 36.1 | 25.8 | 3.1 | 412.3 | 19.7 | 12.7 |
| 2024-04-24 08:00 | 41.3 | 13.2 | 4.0 | 543.0 | 15.5 | 13.4 |
Remarks:
(1) Time shown is in Hong Kong time.
(2) Concentration shown is in microgram per cubic metre (µg/m3).
(3) Abbreviation:
NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates
(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.