Central/Western
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2020-10-01 09:00 | 21.9 | 57.3 | 4.9 | - | 17.3 | 10.1 |
| 2020-10-01 08:00 | 17.8 | 57.2 | 5.1 | - | 16.3 | 9.7 |
| 2020-10-01 07:00 | 15.1 | 57.4 | 5.3 | - | 20.9 | 12.0 |
| 2020-10-01 06:00 | 12.3 | 58.3 | 5.1 | - | 22.5 | 13.5 |
| 2020-10-01 05:00 | 8.9 | 64.0 | 4.2 | - | 19.6 | 10.9 |
| 2020-10-01 04:00 | 8.9 | 68.9 | 4.5 | - | 18.2 | 9.6 |
| 2020-10-01 03:00 | 11.3 | 67.5 | 4.1 | - | 18.1 | 9.7 |
| 2020-10-01 02:00 | 12.1 | - | 4.3 | - | 16.6 | 10.3 |
| 2020-10-01 01:00 | 12.8 | 72.1 | 3.7 | - | 10.6 | 8.0 |
| 2020-10-01 00:00 | 21.6 | 65.3 | 3.3 | - | 5.5 | - |
| 2020-09-30 23:00 | 30.9 | 58.5 | 4.9 | - | 5.2 | 5.1 |
| 2020-09-30 22:00 | 72.3 | 24.7 | 6.3 | - | 5.4 | - |
| 2020-09-30 21:00 | 29.2 | 56.3 | 4.6 | - | 13.8 | 11.7 |
| 2020-09-30 20:00 | 50.9 | 42.2 | 5.3 | - | 19.2 | 13.2 |
| 2020-09-30 19:00 | 31.8 | 67.1 | 6.0 | - | 21.1 | 14.7 |
| 2020-09-30 18:00 | 38.2 | 69.3 | 5.0 | - | 19.4 | 13.5 |
| 2020-09-30 17:00 | 36.0 | 64.5 | 6.1 | - | 19.0 | 13.1 |
| 2020-09-30 16:00 | 43.0 | 55.3 | 6.1 | - | 19.2 | 12.7 |
| 2020-09-30 15:00 | 43.0 | 57.0 | 5.6 | - | 16.4 | 12.1 |
| 2020-09-30 14:00 | 42.0 | 50.6 | 4.6 | - | 16.5 | 12.2 |
| 2020-09-30 13:00 | 40.1 | 60.7 | 5.5 | - | 17.7 | 11.6 |
| 2020-09-30 12:00 | 38.0 | 67.0 | 4.1 | - | 19.3 | 12.8 |
| 2020-09-30 11:00 | 47.0 | 51.9 | 3.6 | - | 17.1 | 12.5 |
| 2020-09-30 10:00 | 43.9 | 47.4 | 4.0 | - | 14.7 | 10.9 |
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.
