Past 24 Hours Pollutant Concentration Summary
Tung Chung
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2020-06-05 05:00 | 2.8 | 33.7 | 0.9 | 164.8 | 9.2 | 4.2 |
| 2020-06-05 04:00 | 2.6 | 33.0 | 1.0 | 149.4 | 8.4 | 3.7 |
| 2020-06-05 03:00 | 4.5 | 33.5 | 1.0 | 150.8 | 11.1 | 6.4 |
| 2020-06-05 02:00 | 4.2 | 33.0 | 0.7 | 151.7 | 10.8 | 6.1 |
| 2020-06-05 01:00 | 2.8 | 35.9 | 0.5 | 157.9 | 8.3 | 3.5 |
| 2020-06-05 00:00 | 5.1 | 33.5 | 0.6 | 142.2 | 11.0 | 5.9 |
| 2020-06-04 23:00 | 5.5 | 31.2 | 1.0 | 154.9 | 7.9 | 3.1 |
| 2020-06-04 22:00 | 4.0 | 33.5 | 1.0 | 151.9 | 10.4 | 5.1 |
| 2020-06-04 21:00 | 4.5 | 32.2 | 0.7 | 154.8 | 9.3 | 3.5 |
| 2020-06-04 20:00 | 6.1 | 32.8 | 1.2 | 180.5 | 10.0 | 4.0 |
| 2020-06-04 19:00 | 6.9 | 35.2 | 0.3 | 153.6 | 8.9 | 2.6 |
| 2020-06-04 18:00 | 9.3 | 34.6 | 1.0 | 222.8 | 8.4 | 2.8 |
| 2020-06-04 17:00 | 6.5 | 38.3 | 1.0 | 212.2 | 7.6 | 2.6 |
| 2020-06-04 16:00 | 6.1 | 39.6 | 0.9 | 199.7 | 7.1 | 1.9 |
| 2020-06-04 15:00 | 6.3 | 39.6 | 0.7 | 204.6 | 8.5 | 2.4 |
| 2020-06-04 14:00 | 11.2 | 37.7 | 0.9 | 217.8 | 8.5 | 2.9 |
| 2020-06-04 13:00 | 8.9 | 35.9 | 1.6 | 200.8 | 10.9 | 6.0 |
| 2020-06-04 12:00 | 7.8 | 38.7 | 1.0 | 134.8 | 7.0 | 2.4 |
| 2020-06-04 11:00 | 6.9 | 38.3 | 0.8 | 142.7 | 7.9 | 3.0 |
| 2020-06-04 10:00 | 6.9 | 33.6 | 1.0 | 158.9 | 10.2 | 5.8 |
| 2020-06-04 09:00 | 6.2 | 31.4 | 0.2 | 162.7 | 6.7 | 1.8 |
| 2020-06-04 08:00 | 11.0 | 26.8 | 1.3 | 272.7 | 7.3 | 2.1 |
| 2020-06-04 07:00 | 7.8 | 27.4 | 1.1 | 244.0 | 6.3 | 1.8 |
| 2020-06-04 06:00 | 4.5 | 32.6 | 0.5 | 147.2 | 9.4 | 4.6 |
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.
