Past 24 Hours Pollutant Concentration Summary
Yuen Long
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-11-27 11:00 | 29.5 | 70.3 | 3.0 | 488.2 | 11.2 | 7.2 |
| 2022-11-27 10:00 | 38.5 | 57.7 | 3.0 | 545.5 | 9.5 | 6.8 |
| 2022-11-27 09:00 | 37.8 | 52.7 | 3.2 | 506.0 | 9.0 | 7.5 |
| 2022-11-27 08:00 | 32.9 | 56.6 | 3.0 | 542.9 | 11.2 | 7.9 |
| 2022-11-27 07:00 | 28.1 | 58.4 | 3.1 | 502.1 | 11.9 | 8.8 |
| 2022-11-27 06:00 | 24.7 | 59.6 | 3.2 | 471.6 | 10.8 | 6.3 |
| 2022-11-27 05:00 | 21.0 | 66.8 | 3.3 | 451.9 | 10.2 | 5.9 |
| 2022-11-27 04:00 | 24.2 | 61.1 | 3.7 | 433.9 | 11.4 | 8.0 |
| 2022-11-27 03:00 | 21.5 | 65.6 | 3.7 | 440.6 | 11.4 | 8.0 |
| 2022-11-27 02:00 | 28.7 | 50.6 | 4.2 | 489.1 | 9.7 | 7.4 |
| 2022-11-27 01:00 | - | - | - | - | 8.0 | 6.0 |
| 2022-11-27 00:00 | 40.8 | 31.8 | 3.3 | 494.7 | 6.1 | 3.9 |
| 2022-11-26 23:00 | 42.2 | 24.3 | 3.3 | 497.9 | 7.0 | 5.0 |
| 2022-11-26 22:00 | 37.8 | 30.8 | 3.2 | 546.3 | 11.6 | 8.7 |
| 2022-11-26 21:00 | 55.3 | 20.3 | 3.2 | 614.7 | 14.0 | 11.0 |
| 2022-11-26 20:00 | 50.8 | 28.4 | 3.0 | 616.0 | 13.6 | 11.0 |
| 2022-11-26 19:00 | 57.5 | 27.8 | 3.1 | 548.1 | 10.8 | 8.1 |
| 2022-11-26 18:00 | 55.7 | 36.2 | 3.3 | 528.8 | 10.3 | 8.0 |
| 2022-11-26 17:00 | 49.4 | 44.6 | 3.1 | 468.7 | 9.1 | 6.8 |
| 2022-11-26 16:00 | 51.3 | 36.1 | 3.2 | 474.0 | 12.5 | 8.8 |
| 2022-11-26 15:00 | 51.6 | 30.5 | 3.3 | 454.7 | 15.1 | 10.6 |
| 2022-11-26 14:00 | 46.0 | 39.6 | 3.1 | 434.5 | 14.6 | 10.6 |
| 2022-11-26 13:00 | 41.9 | 39.6 | 3.1 | 471.8 | 10.6 | 6.9 |
| 2022-11-26 12:00 | 42.3 | 35.0 | 3.2 | 464.8 | 10.4 | 7.7 |
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.