Past 24 Hours Pollutant Concentration Summary
Tuen Mun
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2020-06-05 04:00 | 16.9 | 24.3 | 0.7 | 295.0 | 9.9 | 2.2 |
| 2020-06-05 03:00 | 16.1 | 24.8 | 1.0 | 306.6 | 11.9 | 3.0 |
| 2020-06-05 02:00 | 24.8 | 19.8 | 1.6 | 323.5 | 12.0 | 4.9 |
| 2020-06-05 01:00 | 28.8 | 17.3 | 1.8 | 338.1 | 13.0 | 6.9 |
| 2020-06-05 00:00 | 36.2 | 8.1 | 2.1 | 344.1 | 16.9 | 7.0 |
| 2020-06-04 23:00 | 30.1 | 13.5 | 2.4 | 330.1 | 19.9 | 3.1 |
| 2020-06-04 22:00 | 24.2 | 21.1 | 1.0 | 337.5 | 13.2 | 4.0 |
| 2020-06-04 21:00 | 34.1 | 13.8 | 1.5 | 360.8 | 15.9 | 5.9 |
| 2020-06-04 20:00 | 36.9 | 15.2 | 2.0 | 378.0 | 24.7 | 7.0 |
| 2020-06-04 19:00 | 35.8 | 17.4 | 3.0 | 361.9 | 17.3 | 6.0 |
| 2020-06-04 18:00 | 27.4 | 27.2 | 1.8 | 326.8 | 12.2 | 9.9 |
| 2020-06-04 17:00 | 23.0 | 35.1 | 2.3 | 311.5 | 20.7 | 6.1 |
| 2020-06-04 16:00 | 23.0 | 37.3 | 3.6 | 301.9 | 20.0 | 7.0 |
| 2020-06-04 15:00 | 22.7 | 36.2 | 2.7 | 310.3 | 16.1 | 8.9 |
| 2020-06-04 14:00 | 24.7 | 36.4 | 1.9 | 319.3 | 14.1 | 8.0 |
| 2020-06-04 13:00 | 25.3 | 34.1 | 2.6 | 314.4 | 22.7 | 8.0 |
| 2020-06-04 12:00 | 30.5 | 28.0 | 3.3 | 326.6 | 18.2 | 10.9 |
| 2020-06-04 11:00 | 28.8 | 27.6 | 2.1 | 321.5 | 16.1 | 10.9 |
| 2020-06-04 10:00 | 25.1 | 27.3 | 1.7 | 312.3 | 11.2 | 7.0 |
| 2020-06-04 09:00 | 32.1 | 17.5 | 3.0 | 377.5 | 13.9 | 8.0 |
| 2020-06-04 08:00 | 31.9 | 15.8 | 2.1 | 392.0 | 15.9 | 8.0 |
| 2020-06-04 07:00 | 35.3 | 9.4 | 2.3 | 380.0 | 12.1 | 6.0 |
| 2020-06-04 06:00 | 34.5 | 10.7 | 2.1 | 384.0 | 12.0 | 7.0 |
| 2020-06-04 05:00 | 34.9 | 10.8 | 1.6 | 438.9 | 13.9 | 8.9 |
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.
