Tuen Mun
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-01-30 06:00 | 36.0 | 44.8 | 2.9 | 572.6 | 38.0 | 24.0 |
| 2023-01-30 05:00 | 32.2 | 50.0 | 3.0 | 654.7 | 38.0 | 27.9 |
| 2023-01-30 04:00 | 30.4 | 54.6 | 3.0 | 493.5 | 51.5 | 27.0 |
| 2023-01-30 03:00 | 48.4 | 37.5 | 2.9 | 570.3 | 51.0 | 28.9 |
| 2023-01-30 02:00 | 71.9 | 17.8 | 3.2 | 708.9 | 58.7 | 30.0 |
| 2023-01-30 01:00 | 84.0 | 8.3 | 3.5 | 828.5 | 59.0 | 35.8 |
| 2023-01-30 00:00 | 94.2 | 5.3 | 4.2 | 924.9 | 59.0 | 31.2 |
| 2023-01-29 23:00 | 97.2 | 6.6 | 4.4 | 937.8 | 60.9 | 35.8 |
| 2023-01-29 22:00 | 100.3 | 12.4 | 4.5 | 969.3 | 61.0 | 33.1 |
| 2023-01-29 21:00 | 104.3 | 12.8 | 5.3 | 893.4 | 62.9 | 35.9 |
| 2023-01-29 20:00 | 73.7 | 47.2 | 4.3 | 676.3 | 63.0 | 37.0 |
| 2023-01-29 19:00 | 55.5 | 72.3 | 5.3 | 537.1 | 65.9 | 30.2 |
| 2023-01-29 18:00 | 44.7 | 89.6 | 8.7 | 447.7 | 66.0 | 31.9 |
| 2023-01-29 17:00 | 35.0 | 99.2 | 8.6 | 435.0 | 67.9 | 33.9 |
| 2023-01-29 16:00 | 30.8 | 101.8 | 8.0 | 434.0 | 66.1 | 32.1 |
| 2023-01-29 15:00 | 30.5 | 97.9 | 8.1 | 438.8 | 61.2 | 30.1 |
| 2023-01-29 14:00 | 18.6 | 102.4 | 5.1 | 462.3 | 57.1 | 28.1 |
| 2023-01-29 13:00 | 17.4 | 96.7 | 4.6 | 457.0 | 62.8 | 31.9 |
| 2023-01-29 12:00 | 18.5 | 90.1 | 4.6 | 466.8 | 56.2 | 31.0 |
| 2023-01-29 11:00 | 18.7 | 85.8 | 4.4 | 471.9 | 69.5 | 32.9 |
| 2023-01-29 10:00 | 16.6 | 83.9 | 4.0 | 444.9 | 60.3 | 29.1 |
| 2023-01-29 09:00 | 25.6 | 72.0 | 3.7 | 488.8 | 61.9 | 30.9 |
| 2023-01-29 08:00 | 17.6 | 79.7 | 3.8 | 436.7 | 62.0 | 31.0 |
| 2023-01-29 07:00 | 15.9 | 82.4 | 3.8 | 432.1 | 63.9 | 33.9 |
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.
