Sha Tin
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-09-22 19:00 | 7.2 | 56.2 | 5.0 | - | 5.4 | 3.6 |
| 2021-09-22 18:00 | 6.5 | 56.0 | 5.2 | - | 4.5 | 3.2 |
| 2021-09-22 17:00 | 3.1 | 60.9 | 4.1 | - | 2.5 | 2.1 |
| 2021-09-22 16:00 | 3.3 | 55.1 | 4.5 | - | 3.7 | 3.5 |
| 2021-09-22 15:00 | 2.4 | 56.1 | 4.2 | - | 4.4 | 4.1 |
| 2021-09-22 14:00 | 2.6 | 60.1 | 4.1 | - | 2.1 | 1.8 |
| 2021-09-22 13:00 | 4.5 | 57.5 | 4.9 | - | 5.2 | 3.6 |
| 2021-09-22 12:00 | 7.8 | 54.0 | 5.1 | - | 5.8 | 3.8 |
| 2021-09-22 11:00 | 10.2 | 38.1 | 4.3 | - | 5.1 | 3.0 |
| 2021-09-22 10:00 | 10.3 | 31.7 | 4.9 | - | 7.2 | 4.8 |
| 2021-09-22 09:00 | 19.5 | 17.8 | 5.1 | - | 15.6 | 9.4 |
| 2021-09-22 08:00 | 20.9 | 4.8 | 4.2 | - | 14.2 | 6.1 |
| 2021-09-22 07:00 | 19.7 | 2.4 | 5.1 | - | 16.6 | 7.8 |
| 2021-09-22 06:00 | 20.8 | 1.1 | 5.5 | - | 14.2 | 5.8 |
| 2021-09-22 05:00 | 21.6 | 1.6 | 8.1 | - | 12.0 | 3.5 |
| 2021-09-22 04:00 | - | - | - | - | 16.6 | 6.9 |
| 2021-09-22 03:00 | 29.5 | 0.4 | 3.3 | - | 21.4 | 10.1 |
| 2021-09-22 02:00 | 36.8 | 0.8 | 4.0 | - | 21.7 | 10.5 |
| 2021-09-22 01:00 | 45.0 | - | 3.8 | - | 21.1 | 11.0 |
| 2021-09-22 00:00 | 47.9 | 0.5 | 4.2 | - | 19.8 | 9.8 |
| 2021-09-21 23:00 | 49.6 | 0.2 | 4.8 | - | 20.1 | 9.8 |
| 2021-09-21 22:00 | 52.7 | 0.2 | 5.9 | - | 21.5 | 12.1 |
| 2021-09-21 21:00 | 56.0 | 0.4 | 5.2 | - | 24.5 | 15.3 |
| 2021-09-21 20:00 | 64.0 | 0.5 | 5.9 | - | 24.6 | 15.3 |
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.
