Mong Kok
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-05-18 14:00 | 62.2 | 17.7 | 4.8 | 534.5 | 14.1 | 10.0 |
| 2021-05-18 13:00 | 69.1 | 17.3 | 5.7 | 568.6 | 16.9 | 12.2 |
| 2021-05-18 12:00 | 71.2 | 16.5 | 5.7 | 596.6 | 16.0 | 10.5 |
| 2021-05-18 11:00 | 68.2 | 13.7 | 6.5 | 606.1 | 14.5 | 9.7 |
| 2021-05-18 10:00 | 73.6 | 7.9 | 6.8 | 588.4 | 14.6 | 10.5 |
| 2021-05-18 09:00 | 60.5 | 5.8 | 6.3 | 591.5 | 12.9 | 9.9 |
| 2021-05-18 08:00 | 51.5 | 7.1 | 5.0 | 537.3 | 11.0 | 9.4 |
| 2021-05-18 07:00 | 41.3 | 10.8 | 4.4 | 499.2 | 8.4 | 7.2 |
| 2021-05-18 06:00 | 30.1 | 16.3 | 3.9 | 477.7 | 8.6 | 7.4 |
| 2021-05-18 05:00 | 27.3 | 15.5 | 3.6 | 459.9 | 11.5 | 9.7 |
| 2021-05-18 04:00 | 29.5 | 13.7 | 3.3 | 500.3 | 9.6 | 7.9 |
| 2021-05-18 03:00 | 30.5 | 11.4 | 3.8 | 483.1 | 9.1 | 7.4 |
| 2021-05-18 02:00 | 35.1 | 8.6 | 4.0 | 460.9 | 9.6 | 7.7 |
| 2021-05-18 01:00 | 50.6 | 4.7 | 5.2 | 546.2 | 10.9 | 8.6 |
| 2021-05-18 00:00 | 49.4 | 7.4 | 4.6 | 564.9 | 11.3 | 8.4 |
| 2021-05-17 23:00 | 55.8 | 5.4 | 5.3 | 650.8 | 15.9 | 12.6 |
| 2021-05-17 22:00 | 52.9 | 6.2 | 4.5 | 645.9 | 14.5 | 11.4 |
| 2021-05-17 21:00 | 38.9 | 8.5 | 4.2 | 572.1 | 15.0 | 11.3 |
| 2021-05-17 20:00 | 52.5 | 7.9 | 5.1 | 609.0 | 16.4 | 12.7 |
| 2021-05-17 19:00 | 77.3 | 5.4 | 6.7 | 658.4 | 14.5 | 9.8 |
| 2021-05-17 18:00 | 64.7 | 8.7 | 5.9 | 593.2 | 16.2 | 9.7 |
| 2021-05-17 17:00 | 76.0 | 8.8 | 6.6 | 537.3 | 18.6 | 13.7 |
| 2021-05-17 16:00 | 78.4 | 16.4 | 5.6 | 541.9 | 17.0 | 12.7 |
| 2021-05-17 15:00 | 52.8 | 20.2 | 5.4 | 460.7 | 16.1 | 11.7 |
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.
