Mong Kok
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-05-30 02:00 | 86.2 | 6.1 | 10.7 | 573.0 | 31.5 | 17.6 |
| 2023-05-30 01:00 | 95.4 | 3.6 | 12.9 | 672.5 | 33.9 | 19.8 |
| 2023-05-30 00:00 | 101.4 | 9.2 | 11.3 | 633.8 | 32.2 | 18.0 |
| 2023-05-29 23:00 | 96.4 | 21.5 | 7.6 | 669.0 | 35.7 | 21.0 |
| 2023-05-29 22:00 | 101.5 | 25.1 | 7.3 | 704.1 | 34.4 | 20.5 |
| 2023-05-29 21:00 | 100.6 | 29.6 | 5.8 | 829.2 | 31.6 | 17.7 |
| 2023-05-29 20:00 | 88.8 | 34.6 | 6.5 | 657.9 | 31.4 | 17.2 |
| 2023-05-29 19:00 | 141.2 | 19.3 | 7.8 | 760.8 | 35.4 | 19.5 |
| 2023-05-29 18:00 | 142.4 | 23.1 | 7.2 | 713.1 | 37.3 | 20.0 |
| 2023-05-29 17:00 | 141.2 | 42.1 | 6.8 | 679.5 | 35.5 | 17.7 |
| 2023-05-29 16:00 | 135.6 | 38.8 | 6.4 | 642.4 | 32.7 | 16.3 |
| 2023-05-29 15:00 | 147.3 | 23.0 | 7.7 | 673.0 | 36.9 | 19.5 |
| 2023-05-29 14:00 | 119.7 | 35.5 | 6.3 | 651.6 | 36.6 | 20.7 |
| 2023-05-29 13:00 | 102.5 | 38.9 | 6.3 | 594.2 | 33.7 | 19.5 |
| 2023-05-29 12:00 | 93.6 | 34.9 | 6.6 | 586.4 | 33.4 | 19.0 |
| 2023-05-29 11:00 | 115.4 | 16.7 | 7.8 | 707.0 | 32.8 | 16.4 |
| 2023-05-29 10:00 | 97.0 | 14.2 | 7.0 | 639.1 | 35.1 | 18.2 |
| 2023-05-29 09:00 | 102.9 | 6.7 | 8.5 | 708.5 | 33.1 | 17.0 |
| 2023-05-29 08:00 | 81.4 | 16.6 | 5.2 | 607.8 | 30.7 | 16.1 |
| 2023-05-29 07:00 | 60.8 | 28.3 | 4.2 | 556.5 | 26.7 | 13.2 |
| 2023-05-29 06:00 | 30.2 | 51.7 | 3.7 | 498.1 | 25.2 | 11.4 |
| 2023-05-29 05:00 | 24.6 | 58.4 | 3.7 | 467.2 | 25.0 | 11.2 |
| 2023-05-29 04:00 | 28.8 | 58.9 | 3.8 | 459.3 | 24.4 | 11.3 |
| 2023-05-29 03:00 | - | 54.9 | - | - | 23.0 | 11.0 |
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.
