Mong Kok
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-01-20 17:00 | 109.6 | 23.0 | 4.9 | 737.2 | 44.6 | 27.8 |
| 2022-01-20 16:00 | 108.7 | 25.0 | 4.7 | 744.6 | 39.2 | 24.3 |
| 2022-01-20 15:00 | 104.4 | 23.8 | 5.5 | 765.0 | 33.5 | 21.3 |
| 2022-01-20 14:00 | 99.2 | 26.8 | 4.7 | 713.2 | 31.0 | 19.8 |
| 2022-01-20 13:00 | 80.5 | 35.2 | 3.7 | 656.4 | 25.6 | 14.4 |
| 2022-01-20 12:00 | 59.9 | 45.6 | 3.1 | 609.9 | 27.3 | 15.9 |
| 2022-01-20 11:00 | 59.3 | 42.3 | 2.9 | 584.0 | 30.9 | 19.5 |
| 2022-01-20 10:00 | 85.6 | 17.7 | 4.4 | 813.7 | 32.4 | 20.6 |
| 2022-01-20 09:00 | 81.6 | 14.2 | 4.8 | 791.0 | 27.6 | 18.3 |
| 2022-01-20 08:00 | 70.0 | 19.9 | 3.5 | 686.5 | 26.3 | 17.6 |
| 2022-01-20 07:00 | 43.8 | 38.0 | 2.7 | 596.7 | 23.8 | 15.5 |
| 2022-01-20 06:00 | 35.1 | 46.5 | 2.6 | 621.6 | 22.9 | 15.8 |
| 2022-01-20 05:00 | 30.1 | 42.6 | 2.3 | 642.8 | 19.7 | 13.7 |
| 2022-01-20 04:00 | 34.4 | 37.0 | 2.7 | 659.7 | 18.8 | 12.7 |
| 2022-01-20 03:00 | - | 27.5 | - | - | 18.5 | 12.5 |
| 2022-01-20 02:00 | 44.8 | 26.7 | 3.0 | 716.5 | 17.7 | 11.7 |
| 2022-01-20 01:00 | 56.7 | 21.7 | 3.4 | 748.5 | 17.9 | 11.8 |
| 2022-01-20 00:00 | 75.4 | 13.1 | 4.6 | 862.1 | 23.5 | 14.6 |
| 2022-01-19 23:00 | 71.4 | 24.9 | 3.7 | 734.2 | 27.6 | 16.5 |
| 2022-01-19 22:00 | 88.6 | 23.3 | 4.0 | 835.0 | 30.4 | 18.9 |
| 2022-01-19 21:00 | 103.0 | 24.1 | 3.9 | 863.8 | 41.1 | 26.3 |
| 2022-01-19 20:00 | 149.7 | 18.6 | 6.8 | 926.0 | 44.5 | 28.5 |
| 2022-01-19 19:00 | 145.0 | 27.8 | 7.4 | 952.4 | 42.1 | 27.6 |
| 2022-01-19 18:00 | 149.3 | 22.6 | 7.2 | 906.1 | 37.1 | 25.4 |
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.
