Past 24 Hours Pollutant Concentration Summary
Sha Tin
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-01-30 06:00 | 61.0 | 5.5 | 0.6 | - | 24.7 | 17.7 |
| 2023-01-30 05:00 | 56.3 | 11.6 | 1.2 | - | 25.4 | 18.2 |
| 2023-01-30 04:00 | 55.2 | 14.8 | 0.8 | - | 26.5 | 19.0 |
| 2023-01-30 03:00 | 63.7 | 12.0 | 1.2 | - | 30.0 | 21.3 |
| 2023-01-30 02:00 | 78.1 | 3.1 | 1.3 | - | 35.1 | 23.7 |
| 2023-01-30 01:00 | 81.6 | 3.3 | 1.3 | - | 35.9 | 23.7 |
| 2023-01-30 00:00 | 83.5 | 4.3 | 2.1 | - | 41.8 | 27.1 |
| 2023-01-29 23:00 | 83.7 | 6.7 | 1.8 | - | 38.7 | 23.9 |
| 2023-01-29 22:00 | 83.0 | 11.5 | 1.7 | - | 39.3 | 24.0 |
| 2023-01-29 21:00 | 79.2 | 18.8 | 2.5 | - | 44.0 | 27.4 |
| 2023-01-29 20:00 | 78.0 | 27.3 | 3.1 | - | 53.2 | 28.8 |
| 2023-01-29 19:00 | 79.7 | 40.5 | 5.1 | - | 56.4 | 27.6 |
| 2023-01-29 18:00 | 54.6 | 75.0 | 5.9 | - | 45.7 | 23.5 |
| 2023-01-29 17:00 | 16.8 | 110.1 | 2.8 | - | 43.8 | 22.8 |
| 2023-01-29 16:00 | 12.0 | 117.1 | 2.6 | - | 45.1 | 23.3 |
| 2023-01-29 15:00 | 9.4 | 115.0 | 2.6 | - | 43.9 | 21.9 |
| 2023-01-29 14:00 | 7.8 | 111.3 | 1.9 | - | 42.0 | 21.5 |
| 2023-01-29 13:00 | 10.7 | 102.5 | 2.8 | - | 42.2 | 21.4 |
| 2023-01-29 12:00 | 11.6 | 95.8 | 2.6 | - | 43.2 | 22.1 |
| 2023-01-29 11:00 | 11.9 | 89.8 | 2.2 | - | 45.6 | 23.7 |
| 2023-01-29 10:00 | 14.2 | 85.9 | 2.0 | - | 45.8 | 23.8 |
| 2023-01-29 09:00 | 19.8 | 77.4 | 1.8 | - | 46.5 | 24.5 |
| 2023-01-29 08:00 | 18.2 | 79.3 | 2.3 | - | 49.8 | 25.9 |
| 2023-01-29 07:00 | 16.0 | 83.9 | 2.9 | - | 49.0 | 24.5 |
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.