Causeway Bay
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-17 01:00 | 50.8 | 15.6 | 4.2 | 575.6 | 27.8 | 21.5 |
| 2024-04-17 00:00 | 50.0 | 15.3 | 4.4 | 707.5 | 35.2 | 25.1 |
| 2024-04-16 23:00 | 55.4 | 14.1 | 5.1 | 563.3 | 21.6 | 17.8 |
| 2024-04-16 22:00 | 54.0 | 17.8 | 5.1 | 626.3 | 29.7 | 22.1 |
| 2024-04-16 21:00 | 56.2 | 20.2 | 4.8 | 537.8 | 24.5 | 19.9 |
| 2024-04-16 20:00 | 45.4 | 25.0 | 4.8 | 571.6 | 29.4 | 21.9 |
| 2024-04-16 19:00 | 69.2 | 12.6 | 6.6 | 542.8 | 26.3 | 18.9 |
| 2024-04-16 18:00 | 71.7 | 14.4 | 7.1 | 524.9 | 24.0 | 18.4 |
| 2024-04-16 17:00 | 42.2 | 30.0 | 3.9 | 379.3 | 20.4 | 15.1 |
| 2024-04-16 16:00 | 36.8 | 34.0 | 3.3 | 363.6 | 25.4 | 18.4 |
| 2024-04-16 15:00 | 33.2 | 40.7 | 3.3 | 348.3 | 27.2 | 19.4 |
| 2024-04-16 14:00 | 34.1 | 43.5 | 3.2 | 344.0 | 24.7 | 18.3 |
| 2024-04-16 13:00 | 49.2 | 30.5 | 4.7 | 454.7 | 20.8 | 15.4 |
| 2024-04-16 12:00 | 44.2 | 30.4 | 3.9 | 410.6 | 20.7 | 14.0 |
| 2024-04-16 11:00 | 64.8 | 17.3 | 6.6 | 598.0 | 21.7 | 15.0 |
| 2024-04-16 10:00 | 71.8 | 10.4 | 6.6 | 731.3 | 27.1 | 19.5 |
| 2024-04-16 09:00 | 49.3 | 20.9 | 4.6 | 561.6 | 24.4 | 18.6 |
| 2024-04-16 08:00 | 40.9 | 23.9 | 3.6 | 433.3 | 24.2 | 20.4 |
| 2024-04-16 07:00 | 27.8 | 29.1 | 3.3 | 363.2 | 24.0 | 19.9 |
| 2024-04-16 06:00 | 28.7 | 28.7 | 3.7 | 444.0 | 27.6 | 25.2 |
| 2024-04-16 05:00 | - | 24.9 | - | - | 38.3 | 32.5 |
| 2024-04-16 04:00 | 32.6 | 25.1 | 3.7 | 1,309.6 | 38.8 | 34.1 |
| 2024-04-16 03:00 | 41.2 | 15.4 | 4.6 | 929.8 | 45.2 | 42.1 |
| 2024-04-16 02:00 | - | 9.7 | 5.1 | 607.0 | 62.7 | 45.5 |
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.
