Eastern
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-06-21 05:00 | 8.9 | 80.2 | 1.1 | - | 28.6 | 12.5 |
| 2021-06-21 04:00 | 9.8 | 74.7 | 1.2 | - | 28.0 | 11.6 |
| 2021-06-21 03:00 | 9.0 | 72.9 | 1.2 | - | 25.3 | 12.8 |
| 2021-06-21 02:00 | 9.2 | 71.2 | 1.2 | - | 22.3 | 11.7 |
| 2021-06-21 01:00 | 11.2 | 66.1 | 0.8 | - | 27.3 | 12.8 |
| 2021-06-21 00:00 | 14.1 | 66.2 | 0.9 | - | 32.3 | 16.3 |
| 2021-06-20 23:00 | 18.8 | 66.4 | 1.2 | - | 29.2 | 16.4 |
| 2021-06-20 22:00 | 14.0 | 75.5 | 0.8 | - | 28.1 | 13.1 |
| 2021-06-20 21:00 | 16.3 | 65.8 | 1.2 | - | 24.2 | 9.9 |
| 2021-06-20 20:00 | 17.0 | 65.1 | 1.2 | - | 21.9 | 7.1 |
| 2021-06-20 19:00 | 18.7 | 63.4 | 1.2 | - | 22.3 | 8.3 |
| 2021-06-20 18:00 | 17.2 | 65.0 | 1.5 | - | 17.5 | 9.9 |
| 2021-06-20 17:00 | 15.7 | 72.0 | 1.5 | - | 20.2 | 11.1 |
| 2021-06-20 16:00 | 19.8 | 69.4 | 1.6 | - | 25.4 | 16.5 |
| 2021-06-20 15:00 | 21.9 | 72.8 | 1.2 | - | 22.5 | 12.1 |
| 2021-06-20 14:00 | 20.0 | 75.8 | 1.3 | - | 22.9 | 8.4 |
| 2021-06-20 13:00 | 15.6 | 76.3 | 1.3 | - | 17.0 | 3.7 |
| 2021-06-20 12:00 | 20.0 | 68.0 | 1.5 | - | 15.0 | 4.1 |
| 2021-06-20 11:00 | 19.8 | 65.4 | 1.4 | - | 16.8 | 10.7 |
| 2021-06-20 10:00 | 18.5 | 66.5 | 1.7 | - | 19.2 | 13.9 |
| 2021-06-20 09:00 | 14.1 | 67.0 | 1.0 | - | 22.1 | 14.9 |
| 2021-06-20 08:00 | 20.8 | 58.5 | 1.5 | - | 25.0 | 11.5 |
| 2021-06-20 07:00 | 19.3 | 60.0 | 1.5 | - | 27.0 | 9.5 |
| 2021-06-20 06:00 | 11.6 | 69.5 | 1.1 | - | 23.0 | 8.5 |
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.
