Past 24 Hours Pollutant Concentration Summary
Mong Kok
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-12-05 12:00 | 36.1 | 29.7 | 1.8 | 506.1 | 18.0 | 8.6 |
| 2022-12-05 11:00 | 34.9 | 25.0 | 1.9 | 499.7 | 17.8 | 8.7 |
| 2022-12-05 10:00 | 36.6 | 20.7 | 1.7 | 512.0 | 15.0 | 8.7 |
| 2022-12-05 09:00 | 38.2 | 19.5 | 1.7 | 478.7 | 12.9 | 7.9 |
| 2022-12-05 08:00 | 31.4 | 22.6 | 1.4 | 462.4 | 13.9 | 8.6 |
| 2022-12-05 07:00 | 25.8 | 25.5 | 1.2 | 462.8 | 17.9 | 10.9 |
| 2022-12-05 06:00 | 22.0 | 30.5 | 1.0 | 424.4 | 18.1 | 10.2 |
| 2022-12-05 05:00 | 18.0 | 33.9 | 1.0 | 411.1 | 13.7 | 7.5 |
| 2022-12-05 04:00 | 22.6 | 27.2 | 1.2 | 429.8 | 15.4 | 7.4 |
| 2022-12-05 03:00 | 25.5 | 24.2 | 1.5 | 439.6 | 13.3 | 6.3 |
| 2022-12-05 02:00 | 28.0 | 25.1 | 1.8 | 460.1 | 15.9 | 10.1 |
| 2022-12-05 01:00 | 46.8 | 16.1 | 3.1 | 530.5 | 16.8 | 10.7 |
| 2022-12-05 00:00 | 58.3 | 13.0 | 3.8 | 613.5 | 17.3 | 10.5 |
| 2022-12-04 23:00 | 49.0 | 17.9 | 2.5 | 504.0 | 15.7 | 8.8 |
| 2022-12-04 22:00 | 53.1 | 19.5 | 2.8 | 513.4 | 18.4 | 9.9 |
| 2022-12-04 21:00 | 61.2 | 19.7 | 3.2 | 598.3 | 25.6 | 14.0 |
| 2022-12-04 20:00 | 57.4 | 20.8 | 2.7 | 597.8 | 28.3 | 14.6 |
| 2022-12-04 19:00 | 61.0 | 26.2 | 2.6 | 582.2 | 25.9 | 12.3 |
| 2022-12-04 18:00 | 64.4 | 31.4 | 2.4 | 535.5 | 24.1 | 14.5 |
| 2022-12-04 17:00 | 50.0 | 50.7 | 1.9 | 451.7 | 21.4 | 13.5 |
| 2022-12-04 16:00 | 51.9 | 45.3 | 2.4 | 476.9 | 22.1 | 13.2 |
| 2022-12-04 15:00 | 59.4 | 31.7 | 2.6 | 490.8 | 21.2 | 12.4 |
| 2022-12-04 14:00 | 56.9 | 27.2 | 2.6 | 483.0 | 18.3 | 12.3 |
| 2022-12-04 13:00 | 39.8 | 30.8 | 2.1 | 447.2 | 15.2 | 9.8 |
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.
(5) Owing to urgent maintenance, monitoring of respirable suspended particulates and fine suspended particulates at Sham Shui Po general air quality monitoring station has been suspended until further notice. We apologize for any inconvenience caused.