Eastern
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-11-30 00:00 | 125.4 | 11.8 | 2.7 | - | 40.2 | 25.0 |
| 2021-11-29 23:00 | 131.3 | 11.9 | 2.8 | - | 38.8 | 23.2 |
| 2021-11-29 22:00 | 130.4 | 12.9 | 1.8 | - | 37.5 | 20.7 |
| 2021-11-29 21:00 | 111.1 | 33.5 | 1.2 | - | 31.5 | 16.7 |
| 2021-11-29 20:00 | 103.7 | 40.8 | 1.0 | - | 27.6 | 13.3 |
| 2021-11-29 19:00 | 99.2 | 47.3 | 1.2 | - | 26.7 | 15.6 |
| 2021-11-29 18:00 | 71.6 | 77.8 | 1.5 | - | 26.6 | 18.5 |
| 2021-11-29 17:00 | 99.6 | 62.3 | 1.0 | - | 28.8 | 18.3 |
| 2021-11-29 16:00 | 64.5 | 94.9 | 1.4 | - | 30.7 | 13.7 |
| 2021-11-29 15:00 | 52.7 | 100.6 | 1.6 | - | 30.8 | 14.7 |
| 2021-11-29 14:00 | 48.2 | 95.3 | 1.7 | - | 27.2 | 18.4 |
| 2021-11-29 13:00 | 46.1 | 87.8 | 2.1 | - | 25.0 | 15.4 |
| 2021-11-29 12:00 | 48.8 | 69.9 | 2.4 | - | 27.7 | 13.0 |
| 2021-11-29 11:00 | 44.6 | 71.2 | 2.5 | - | 31.6 | 16.7 |
| 2021-11-29 10:00 | 59.9 | 48.5 | 2.8 | - | 29.0 | 19.0 |
| 2021-11-29 09:00 | 75.5 | 32.2 | 2.8 | - | 24.9 | 15.7 |
| 2021-11-29 08:00 | 78.7 | 24.0 | 2.3 | - | 24.2 | 16.6 |
| 2021-11-29 07:00 | 40.4 | 50.2 | 2.8 | - | 29.5 | 19.9 |
| 2021-11-29 06:00 | 21.3 | 61.8 | 2.7 | - | 35.5 | 20.6 |
| 2021-11-29 05:00 | 18.5 | 71.6 | 3.6 | - | 38.0 | 17.8 |
| 2021-11-29 04:00 | 22.6 | 73.0 | 3.3 | - | 33.9 | 14.9 |
| 2021-11-29 03:00 | 22.0 | 90.4 | 3.0 | - | 31.1 | 14.2 |
| 2021-11-29 02:00 | 23.6 | 90.0 | 2.4 | - | 36.5 | 16.0 |
| 2021-11-29 01:00 | 34.8 | 80.9 | 2.3 | - | 35.7 | 18.8 |
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.