Past 24 Hours Pollutant Concentration Summary
Tung Chung
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-10-07 00:00 | 9.9 | 81.4 | 4.6 | 530.7 | 18.9 | 7.4 |
| 2022-10-06 23:00 | 10.5 | 89.8 | 4.4 | 513.4 | 15.6 | 3.6 |
| 2022-10-06 22:00 | 12.3 | 91.7 | 5.0 | 489.5 | 12.6 | 3.2 |
| 2022-10-06 21:00 | 15.6 | 84.2 | 5.1 | 537.2 | 13.9 | 8.6 |
| 2022-10-06 20:00 | 35.0 | 52.3 | 5.2 | 577.1 | 15.9 | 12.1 |
| 2022-10-06 19:00 | 30.6 | 54.0 | 5.1 | 501.1 | 19.4 | 10.9 |
| 2022-10-06 18:00 | 26.6 | 71.5 | 5.4 | 490.0 | 19.1 | 6.4 |
| 2022-10-06 17:00 | 28.5 | 77.6 | 5.3 | 474.3 | 16.6 | 5.1 |
| 2022-10-06 16:00 | 18.6 | 97.5 | 5.6 | 503.9 | 19.3 | 8.2 |
| 2022-10-06 15:00 | 19.7 | 91.0 | 5.7 | 562.6 | 22.2 | 9.6 |
| 2022-10-06 14:00 | 17.5 | 96.3 | 5.0 | 465.7 | 21.5 | 9.6 |
| 2022-10-06 13:00 | 17.1 | 91.5 | 5.1 | 420.2 | 20.0 | 8.1 |
| 2022-10-06 12:00 | 13.1 | 85.7 | 4.8 | 445.3 | 16.5 | 7.7 |
| 2022-10-06 11:00 | 17.5 | 72.3 | 5.0 | 517.5 | 18.1 | 10.5 |
| 2022-10-06 10:00 | 23.4 | 56.3 | 5.2 | 513.5 | 20.7 | 13.4 |
| 2022-10-06 09:00 | 22.0 | 53.3 | 5.3 | 510.9 | 19.5 | 12.3 |
| 2022-10-06 08:00 | 23.8 | 48.4 | 5.0 | 501.1 | 17.3 | 5.5 |
| 2022-10-06 07:00 | 10.9 | 65.8 | 4.6 | 510.1 | 14.7 | - |
| 2022-10-06 06:00 | 7.6 | 74.1 | 4.2 | 461.0 | 21.1 | 3.7 |
| 2022-10-06 05:00 | 6.0 | 78.0 | 4.4 | 454.9 | 29.4 | 12.2 |
| 2022-10-06 04:00 | 6.9 | 79.2 | 4.4 | 486.1 | 28.7 | 12.6 |
| 2022-10-06 03:00 | 7.7 | 81.7 | 4.7 | 462.2 | 23.8 | 8.5 |
| 2022-10-06 02:00 | 8.2 | 85.6 | 4.5 | 458.5 | 18.1 | 5.7 |
| 2022-10-06 01:00 | - | - | - | - | 19.3 | 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.