Past 24 Hours Pollutant Concentration Summary
Tseung Kwan O
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-12-05 21:00 | 73.3 | 36.2 | 3.2 | 713.9 | 25.9 | - |
| 2023-12-05 20:00 | 84.9 | 27.2 | 3.2 | 742.2 | 25.8 | 24.7 |
| 2023-12-05 19:00 | 79.5 | - | 3.3 | 638.1 | 34.7 | 17.3 |
| 2023-12-05 18:00 | 57.6 | - | 3.8 | 500.8 | 31.5 | 15.5 |
| 2023-12-05 17:00 | 66.2 | - | 4.1 | 496.5 | 32.3 | 22.0 |
| 2023-12-05 16:00 | 44.6 | - | 3.9 | 506.1 | 28.2 | 16.9 |
| 2023-12-05 15:00 | 37.7 | 89.6 | 3.8 | - | 14.4 | 10.4 |
| 2023-12-05 14:00 | 15.8 | 89.0 | 3.3 | - | 9.1 | 8.2 |
| 2023-12-05 13:00 | 7.7 | 79.5 | 3.6 | - | 11.9 | 9.2 |
| 2023-12-05 12:00 | 8.8 | - | 3.1 | 376.6 | 11.5 | 9.0 |
| 2023-12-05 11:00 | 12.5 | - | 3.1 | 410.1 | 12.8 | 12.6 |
| 2023-12-05 10:00 | 18.8 | - | 3.5 | 440.1 | 19.1 | 17.7 |
| 2023-12-05 09:00 | 24.4 | - | 3.6 | 479.8 | 23.6 | 20.9 |
| 2023-12-05 08:00 | 27.8 | - | 3.9 | 489.1 | 27.1 | 19.8 |
| 2023-12-05 07:00 | 27.4 | - | 3.8 | 462.8 | 31.0 | 22.5 |
| 2023-12-05 06:00 | 23.3 | - | 3.9 | 456.5 | 38.4 | 29.6 |
| 2023-12-05 05:00 | 39.3 | - | 4.5 | 517.2 | 53.9 | 37.5 |
| 2023-12-05 04:00 | 47.5 | - | 4.8 | 569.0 | 57.3 | 40.0 |
| 2023-12-05 03:00 | 55.9 | - | 4.5 | 569.0 | 53.7 | 36.3 |
| 2023-12-05 02:00 | 64.1 | - | 5.0 | 639.0 | 53.1 | 33.8 |
| 2023-12-05 01:00 | 70.7 | 10.5 | 5.3 | 656.5 | 47.1 | 35.6 |
| 2023-12-05 00:00 | 57.0 | 22.5 | 4.7 | 600.6 | 49.7 | 39.8 |
| 2023-12-04 23:00 | 62.9 | 29.6 | 3.9 | 671.6 | 51.9 | 39.3 |
| 2023-12-04 22:00 | 67.6 | 37.6 | 3.3 | 753.4 | 50.1 | 38.3 |
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.