Central
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-01-24 23:00 | 36.4 | 45.6 | 2.2 | 848.4 | 16.5 | 9.9 |
| 2022-01-24 22:00 | 42.8 | 45.8 | 2.3 | 842.5 | 17.0 | 10.8 |
| 2022-01-24 21:00 | 50.9 | 39.7 | 2.8 | 908.0 | 22.4 | 15.9 |
| 2022-01-24 20:00 | 69.3 | 31.1 | 3.3 | 954.5 | 29.3 | 22.7 |
| 2022-01-24 19:00 | 83.8 | 26.4 | 4.9 | 983.1 | 33.5 | 27.4 |
| 2022-01-24 18:00 | 86.5 | 32.1 | 4.5 | 1,001.4 | 38.1 | 31.8 |
| 2022-01-24 17:00 | 72.0 | 38.0 | 3.5 | 943.4 | 33.2 | 26.4 |
| 2022-01-24 16:00 | 81.7 | 28.7 | 4.1 | 988.3 | 27.6 | 20.8 |
| 2022-01-24 15:00 | 75.5 | 34.6 | 3.9 | 1,041.6 | 29.2 | 23.2 |
| 2022-01-24 14:00 | 77.5 | 38.3 | 4.0 | 1,112.5 | 30.9 | 23.6 |
| 2022-01-24 13:00 | 86.7 | 18.6 | 5.4 | 1,119.7 | 29.0 | 23.3 |
| 2022-01-24 12:00 | 80.1 | 13.0 | 7.4 | 1,122.8 | 30.1 | 25.1 |
| 2022-01-24 11:00 | 80.6 | 8.0 | 9.2 | 1,044.4 | 32.3 | 28.6 |
| 2022-01-24 10:00 | 73.2 | 8.6 | 8.3 | 1,020.5 | 35.9 | 31.3 |
| 2022-01-24 09:00 | 84.9 | 2.9 | 9.6 | 1,164.9 | 34.7 | 29.4 |
| 2022-01-24 08:00 | 75.1 | 2.5 | 7.1 | 1,138.4 | 24.9 | 20.2 |
| 2022-01-24 07:00 | 70.6 | 2.4 | 4.5 | 1,072.3 | 24.6 | 18.8 |
| 2022-01-24 06:00 | 89.4 | 1.3 | 9.6 | 1,114.4 | 34.5 | 24.7 |
| 2022-01-24 05:00 | 90.9 | 1.5 | 9.2 | 1,014.8 | 27.6 | 19.6 |
| 2022-01-24 04:00 | 94.0 | 1.9 | 10.7 | 997.6 | 29.5 | 21.4 |
| 2022-01-24 03:00 | 95.2 | 1.6 | 10.7 | 983.7 | 26.8 | 18.6 |
| 2022-01-24 02:00 | 95.9 | 2.5 | 10.4 | 1,054.4 | 30.4 | 20.9 |
| 2022-01-24 01:00 | 97.0 | 2.4 | 11.1 | 951.7 | 34.3 | 22.9 |
| 2022-01-24 00:00 | 97.3 | 2.5 | 7.1 | 1,045.0 | 27.4 | 18.9 |
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.
