Past 24 Hours Pollutant Concentration Summary
Tseung Kwan O
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-12-09 15:00 | 26.0 | 100.6 | 4.9 | 245.3 | 29.4 | 17.5 |
| 2022-12-09 14:00 | 22.6 | 85.5 | 4.7 | 229.2 | 22.8 | 12.8 |
| 2022-12-09 13:00 | 21.7 | 63.1 | 4.8 | 216.9 | 19.4 | 18.1 |
| 2022-12-09 12:00 | 25.4 | 46.2 | 5.5 | 233.4 | 19.2 | 18.9 |
| 2022-12-09 11:00 | 20.7 | 45.7 | 5.3 | 221.0 | 17.9 | - |
| 2022-12-09 10:00 | 18.2 | 42.0 | 5.1 | 233.2 | 19.0 | 17.1 |
| 2022-12-09 09:00 | 19.8 | 39.9 | 4.6 | 224.0 | 19.2 | 17.6 |
| 2022-12-09 08:00 | 47.6 | 17.9 | 6.0 | 377.5 | 18.0 | 16.9 |
| 2022-12-09 07:00 | 50.4 | 12.5 | 5.2 | 341.1 | 16.4 | 14.8 |
| 2022-12-09 06:00 | 31.4 | 27.6 | 4.6 | 234.7 | 26.1 | 18.6 |
| 2022-12-09 05:00 | 21.0 | 39.7 | 4.5 | 218.4 | 37.6 | 25.0 |
| 2022-12-09 04:00 | 35.9 | 28.9 | 4.7 | 275.2 | 37.9 | 27.4 |
| 2022-12-09 03:00 | 47.7 | 15.1 | 4.3 | 332.2 | 35.1 | 27.9 |
| 2022-12-09 02:00 | 60.8 | 5.7 | 4.7 | 420.6 | 34.1 | 31.6 |
| 2022-12-09 01:00 | 65.7 | 4.6 | 5.1 | 551.5 | 34.2 | 29.1 |
| 2022-12-09 00:00 | 69.7 | 5.2 | 5.0 | 552.3 | 34.0 | 24.2 |
| 2022-12-08 23:00 | 63.8 | 11.7 | 4.3 | 444.6 | 36.0 | 24.4 |
| 2022-12-08 22:00 | 75.2 | 14.1 | 4.6 | 521.4 | 38.2 | 28.8 |
| 2022-12-08 21:00 | 97.7 | 10.2 | 4.5 | 664.1 | 37.2 | 26.6 |
| 2022-12-08 20:00 | 82.4 | 31.6 | 4.3 | 517.2 | 33.5 | 24.9 |
| 2022-12-08 19:00 | 84.3 | 43.9 | 4.7 | 409.4 | 29.1 | 23.4 |
| 2022-12-08 18:00 | 27.2 | 122.1 | 5.7 | 273.0 | 26.5 | 21.2 |
| 2022-12-08 17:00 | 32.8 | 124.7 | 6.2 | 253.6 | 25.5 | 15.8 |
| 2022-12-08 16:00 | 17.6 | 127.5 | 5.7 | 217.7 | 28.6 | 15.5 |
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.