Past 24 Hours Pollutant Concentration Summary
Tap Mun
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-20 11:00 | 0.3 | 61.8 | 1.3 | 274.8 | 11.9 | 7.7 |
| 2024-04-20 10:00 | 0.5 | 60.7 | 1.2 | 273.8 | 9.3 | 6.1 |
| 2024-04-20 09:00 | 2.4 | 57.8 | 1.0 | 263.8 | 13.0 | 8.4 |
| 2024-04-20 08:00 | 4.4 | 56.4 | 1.4 | 266.2 | 10.2 | 6.8 |
| 2024-04-20 07:00 | 4.4 | 57.3 | 1.1 | 264.3 | 11.6 | 6.4 |
| 2024-04-20 06:00 | 4.8 | 55.8 | 1.2 | 272.1 | 15.3 | 9.6 |
| 2024-04-20 05:00 | 4.3 | 53.9 | 1.2 | 283.1 | 10.4 | 5.6 |
| 2024-04-20 04:00 | 4.8 | 49.3 | 1.0 | 279.3 | 9.4 | 5.1 |
| 2024-04-20 03:00 | 9.4 | 44.1 | 1.2 | 265.1 | 8.6 | 4.6 |
| 2024-04-20 02:00 | 3.2 | 52.1 | 1.2 | 273.3 | 10.4 | 7.2 |
| 2024-04-20 01:00 | 3.1 | 57.0 | 1.2 | 274.4 | 10.5 | 6.0 |
| 2024-04-20 00:00 | 2.7 | 56.7 | 1.1 | 278.3 | 11.9 | 6.4 |
| 2024-04-19 23:00 | 4.3 | 54.5 | 1.1 | 270.3 | 6.9 | 3.5 |
| 2024-04-19 22:00 | 2.0 | 61.9 | 1.2 | 268.5 | 12.1 | 8.0 |
| 2024-04-19 21:00 | 2.7 | 62.9 | 1.1 | 254.3 | 9.0 | 6.6 |
| 2024-04-19 20:00 | 8.1 | 62.1 | 1.3 | 253.1 | 4.1 | 2.1 |
| 2024-04-19 19:00 | 1.2 | 65.4 | 1.1 | 245.7 | 7.4 | 2.3 |
| 2024-04-19 18:00 | 0.1 | 64.3 | 1.2 | 236.6 | 13.9 | 8.7 |
| 2024-04-19 17:00 | 0.3 | 64.5 | 0.9 | 246.4 | 12.2 | 8.7 |
| 2024-04-19 16:00 | 0.3 | 65.6 | 1.3 | 238.2 | 7.2 | 5.3 |
| 2024-04-19 15:00 | 0.2 | 59.7 | 1.1 | 237.2 | 9.0 | 5.6 |
| 2024-04-19 14:00 | 0.6 | 69.7 | 1.2 | 234.8 | 4.3 | 1.8 |
| 2024-04-19 13:00 | 0.0 | 67.3 | 1.4 | 243.2 | 5.0 | 4.1 |
| 2024-04-19 12:00 | 0.8 | 66.7 | 1.5 | 245.7 | 8.5 | 6.4 |
Remarks:
(1) Time shown is in Hong Kong time.
(2) Concentration shown is in microgram per cubic metre (µg/m3).
(3) Abbreviation:
NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates
(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.