Past 24 Hours Pollutant Concentration Summary
Tung Chung
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-05-27 07:00 | 21.3 | 25.2 | 2.1 | 253.9 | 14.2 | 9.7 |
| 2022-05-27 06:00 | 23.7 | 17.1 | 2.0 | 290.4 | 12.8 | 8.6 |
| 2022-05-27 05:00 | 20.1 | 21.8 | 2.1 | 270.7 | 12.3 | 8.3 |
| 2022-05-27 04:00 | 21.7 | 17.9 | 2.4 | 244.4 | 13.6 | 9.7 |
| 2022-05-27 03:00 | 19.5 | 16.7 | 2.5 | 264.0 | 11.7 | 8.0 |
| 2022-05-27 02:00 | 20.4 | 25.0 | 2.5 | 297.6 | 11.3 | 8.2 |
| 2022-05-27 01:00 | - | - | - | - | 9.7 | 7.1 |
| 2022-05-27 00:00 | 14.6 | 39.4 | 1.9 | 237.0 | 8.3 | 6.2 |
| 2022-05-26 23:00 | 16.3 | 39.3 | 2.0 | 244.3 | 5.7 | 4.3 |
| 2022-05-26 22:00 | 16.7 | 35.6 | 2.4 | 230.2 | 6.2 | 5.1 |
| 2022-05-26 21:00 | 14.6 | 39.8 | 2.4 | 200.1 | 7.2 | 6.4 |
| 2022-05-26 20:00 | 16.0 | 40.3 | 2.4 | 227.5 | 8.2 | 6.9 |
| 2022-05-26 19:00 | 10.5 | 46.5 | 2.4 | 174.8 | 8.0 | 6.0 |
| 2022-05-26 18:00 | 13.2 | 50.2 | 2.1 | 193.0 | 9.0 | 6.8 |
| 2022-05-26 17:00 | 11.1 | 47.7 | 2.7 | 199.4 | 6.7 | 5.8 |
| 2022-05-26 16:00 | - | 50.3 | 3.0 | 177.2 | 7.0 | 6.2 |
| 2022-05-26 15:00 | - | 55.6 | 2.6 | 159.8 | 8.3 | 7.1 |
| 2022-05-26 14:00 | - | 37.9 | 3.3 | 211.0 | 11.6 | 8.2 |
| 2022-05-26 13:00 | - | 30.3 | 3.8 | 314.3 | 9.4 | 6.6 |
| 2022-05-26 12:00 | - | 33.3 | 3.0 | 244.2 | 9.6 | 6.9 |
| 2022-05-26 11:00 | - | 26.7 | 2.8 | 266.5 | 9.9 | 7.4 |
| 2022-05-26 10:00 | 28.8 | 23.7 | 2.8 | 278.8 | 9.1 | 6.9 |
| 2022-05-26 09:00 | 35.3 | 15.1 | 2.9 | 325.8 | 11.8 | 9.8 |
| 2022-05-26 08:00 | 30.0 | 16.2 | 2.3 | 339.9 | 7.3 | 5.7 |
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.