Past 24 Hours Pollutant Concentration Summary
Tseung Kwan O
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-06-09 23:00 | 36.5 | 20.1 | 4.8 | 210.5 | 11.5 | 8.4 |
| 2023-06-09 22:00 | 35.0 | 24.4 | 4.4 | 241.6 | 10.7 | 8.3 |
| 2023-06-09 21:00 | 30.5 | 29.1 | 4.3 | 243.8 | 7.1 | 5.5 |
| 2023-06-09 20:00 | 27.7 | 32.5 | 4.3 | 236.9 | 9.0 | 7.7 |
| 2023-06-09 19:00 | 25.0 | 39.3 | 4.3 | 182.5 | 10.9 | 7.0 |
| 2023-06-09 18:00 | 23.7 | 43.6 | 3.9 | 168.6 | 9.4 | 4.9 |
| 2023-06-09 17:00 | 18.6 | 50.1 | 4.3 | 139.0 | 9.0 | 6.2 |
| 2023-06-09 16:00 | 18.3 | 58.4 | 4.1 | 120.8 | 10.2 | 6.4 |
| 2023-06-09 15:00 | 21.6 | 53.1 | 4.3 | 141.2 | 12.5 | 7.5 |
| 2023-06-09 14:00 | 11.8 | 63.5 | 4.1 | 117.4 | 9.0 | 5.9 |
| 2023-06-09 13:00 | 20.2 | 49.2 | 4.0 | 145.9 | 5.0 | - |
| 2023-06-09 12:00 | 22.1 | 42.9 | 4.1 | 154.0 | 6.5 | - |
| 2023-06-09 11:00 | 28.4 | 36.4 | 4.2 | 171.7 | 8.8 | 7.4 |
| 2023-06-09 10:00 | 19.5 | 43.3 | 4.1 | 151.8 | 10.0 | 5.1 |
| 2023-06-09 09:00 | 12.9 | 38.4 | 3.9 | 149.6 | 12.7 | 7.4 |
| 2023-06-09 08:00 | 18.2 | 29.0 | 4.0 | 185.8 | 9.2 | 5.7 |
| 2023-06-09 07:00 | 24.7 | 21.0 | 4.1 | 219.7 | 9.7 | 2.9 |
| 2023-06-09 06:00 | 18.7 | 21.9 | 3.7 | 165.5 | 9.1 | 2.7 |
| 2023-06-09 05:00 | 18.5 | 21.2 | 4.0 | 179.0 | 6.4 | 5.3 |
| 2023-06-09 04:00 | 11.3 | 30.7 | 3.6 | 121.9 | 9.5 | 9.0 |
| 2023-06-09 03:00 | 12.2 | 34.9 | 3.7 | 113.5 | 14.4 | 7.9 |
| 2023-06-09 02:00 | 20.9 | 28.0 | 4.0 | 125.8 | 11.7 | 8.4 |
| 2023-06-09 01:00 | 14.0 | 34.6 | 4.0 | 106.7 | 6.3 | 5.5 |
| 2023-06-09 00:00 | 10.9 | 36.2 | 3.9 | 105.4 | 3.1 | 1.9 |
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.