North
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-05-28 17:00 | 10.6 | 106.7 | 2.3 | 243.0 | 18.8 | 14.0 |
| 2023-05-28 16:00 | 8.7 | 100.3 | 2.0 | 236.3 | 19.3 | 12.0 |
| 2023-05-28 15:00 | 8.7 | 88.2 | 2.0 | 226.0 | 20.0 | 9.7 |
| 2023-05-28 14:00 | 11.5 | 79.4 | 2.0 | 308.7 | 17.9 | 7.2 |
| 2023-05-28 13:00 | 9.5 | 76.5 | 1.9 | 225.1 | 18.9 | 8.7 |
| 2023-05-28 12:00 | 10.5 | 78.0 | 2.2 | 274.4 | 22.1 | 12.6 |
| 2023-05-28 11:00 | 13.1 | 71.0 | 2.0 | 283.5 | 23.7 | 15.0 |
| 2023-05-28 10:00 | 15.4 | 62.2 | 1.9 | 283.8 | 21.1 | 12.5 |
| 2023-05-28 09:00 | 11.7 | 58.7 | 1.7 | 271.0 | 18.5 | 10.7 |
| 2023-05-28 08:00 | 10.2 | 55.5 | 1.6 | 262.3 | 17.9 | 13.6 |
| 2023-05-28 07:00 | 11.4 | 52.1 | 1.8 | 250.1 | 15.0 | 10.4 |
| 2023-05-28 06:00 | 11.0 | 56.1 | 1.6 | 245.7 | 13.9 | 6.3 |
| 2023-05-28 05:00 | 7.2 | 58.0 | 1.9 | 237.7 | 14.2 | 6.9 |
| 2023-05-28 04:00 | 7.8 | 53.9 | 2.4 | 300.0 | 15.7 | 10.0 |
| 2023-05-28 03:00 | 7.9 | 57.6 | 2.0 | 229.4 | 17.8 | 12.1 |
| 2023-05-28 02:00 | 6.9 | 58.1 | 1.8 | 241.7 | 19.9 | 12.5 |
| 2023-05-28 01:00 | 7.3 | 55.8 | 1.9 | 232.2 | 21.1 | 13.6 |
| 2023-05-28 00:00 | 13.9 | 46.5 | 2.0 | 240.7 | 21.5 | 12.7 |
| 2023-05-27 23:00 | 12.6 | 54.9 | 1.8 | 367.8 | 23.5 | 16.6 |
| 2023-05-27 22:00 | 11.8 | 65.8 | 1.7 | 344.7 | 25.5 | 16.6 |
| 2023-05-27 21:00 | 13.5 | 66.7 | 1.8 | 328.4 | 23.8 | 13.4 |
| 2023-05-27 20:00 | 19.4 | 58.5 | 1.8 | 311.3 | 20.2 | 11.0 |
| 2023-05-27 19:00 | 20.6 | 59.4 | 1.8 | 355.1 | 18.8 | 9.1 |
| 2023-05-27 18:00 | 17.4 | 66.0 | 1.9 | 276.6 | 19.0 | 10.0 |
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.
