Past 24 Hours Pollutant Concentration Summary
Sha Tin
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-06-29 11:00 | 11.3 | 36.6 | 8.3 | - | 6.0 | 3.6 |
| 2022-06-29 10:00 | 14.1 | 27.2 | 8.5 | - | 8.1 | 4.7 |
| 2022-06-29 09:00 | 15.9 | 20.6 | 8.7 | - | 7.9 | 4.8 |
| 2022-06-29 08:00 | 16.8 | 19.7 | 8.4 | - | 6.8 | 4.6 |
| 2022-06-29 07:00 | 18.6 | 16.0 | 8.1 | - | 5.6 | 3.8 |
| 2022-06-29 06:00 | 11.5 | 24.8 | 7.7 | - | 5.0 | 3.1 |
| 2022-06-29 05:00 | 17.7 | 19.8 | 8.2 | - | 4.7 | 3.0 |
| 2022-06-29 04:00 | - | - | - | - | 7.2 | 5.3 |
| 2022-06-29 03:00 | 8.1 | 39.8 | 8.0 | - | 3.7 | 2.4 |
| 2022-06-29 02:00 | 18.1 | 34.4 | 7.7 | - | 4.9 | 3.9 |
| 2022-06-29 01:00 | 21.2 | - | 7.8 | - | 4.4 | 4.4 |
| 2022-06-29 00:00 | 14.1 | 40.8 | 6.7 | - | 6.0 | 5.2 |
| 2022-06-28 23:00 | 35.3 | 17.1 | 7.9 | - | 6.1 | 4.1 |
| 2022-06-28 22:00 | 30.4 | 21.1 | 8.9 | - | 9.6 | 7.3 |
| 2022-06-28 21:00 | 44.6 | 17.5 | 9.6 | - | 11.9 | 8.0 |
| 2022-06-28 20:00 | 56.1 | 7.7 | 10.6 | - | 10.1 | 6.9 |
| 2022-06-28 19:00 | 43.3 | 20.6 | 11.3 | - | 12.0 | 7.7 |
| 2022-06-28 18:00 | 49.9 | 19.8 | 13.8 | - | 13.9 | 7.9 |
| 2022-06-28 17:00 | 47.5 | 29.4 | 13.4 | - | 11.7 | 5.3 |
| 2022-06-28 16:00 | 38.6 | 34.9 | 12.3 | - | 9.9 | 4.5 |
| 2022-06-28 15:00 | - | - | - | - | 9.3 | 5.1 |
| 2022-06-28 14:00 | 29.5 | 34.2 | 9.5 | - | 8.7 | 4.8 |
| 2022-06-28 13:00 | 33.2 | 35.3 | 9.9 | - | 9.4 | 5.9 |
| 2022-06-28 12:00 | 32.9 | 26.2 | 9.7 | - | 10.0 | 7.4 |
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.