Past 24 Hours Pollutant Concentration Summary
Eastern
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2020-06-05 04:00 | 9.7 | 28.8 | 1.3 | - | 10.2 | 3.6 |
| 2020-06-05 03:00 | 9.4 | 31.6 | 1.1 | - | 8.4 | 1.8 |
| 2020-06-05 02:00 | 9.4 | 32.5 | 0.9 | - | 9.8 | 1.4 |
| 2020-06-05 01:00 | 10.0 | 30.7 | 1.3 | - | 12.0 | 4.0 |
| 2020-06-05 00:00 | 11.1 | 29.2 | 1.2 | - | 11.9 | 5.4 |
| 2020-06-04 23:00 | 13.7 | 27.8 | 1.8 | - | 11.3 | 3.5 |
| 2020-06-04 22:00 | 16.7 | 26.9 | 1.9 | - | 13.6 | 4.4 |
| 2020-06-04 21:00 | 14.8 | 29.9 | 1.4 | - | 13.8 | 4.8 |
| 2020-06-04 20:00 | 14.5 | 31.4 | 1.1 | - | 20.0 | 2.8 |
| 2020-06-04 19:00 | 19.2 | 28.6 | 1.1 | - | 26.5 | 1.3 |
| 2020-06-04 18:00 | 15.4 | 28.9 | 1.4 | - | 30.5 | 3.7 |
| 2020-06-04 17:00 | 18.6 | 35.8 | 1.3 | - | 35.3 | 8.2 |
| 2020-06-04 16:00 | 17.2 | 42.5 | 1.2 | - | 27.3 | 8.3 |
| 2020-06-04 15:00 | 16.7 | 42.4 | 1.0 | - | 14.0 | 5.9 |
| 2020-06-04 14:00 | 20.3 | 40.7 | 0.9 | - | 17.2 | 5.0 |
| 2020-06-04 13:00 | 15.8 | 42.6 | 1.1 | - | 17.2 | 6.8 |
| 2020-06-04 12:00 | 18.9 | 32.7 | 1.3 | - | 14.9 | 8.1 |
| 2020-06-04 11:00 | 17.7 | 32.5 | 1.3 | - | 12.5 | 5.1 |
| 2020-06-04 10:00 | 16.0 | 32.5 | 1.5 | - | 10.5 | 3.9 |
| 2020-06-04 09:00 | 17.6 | 26.5 | 1.3 | - | 11.0 | 2.2 |
| 2020-06-04 08:00 | 17.2 | 25.9 | 1.2 | - | 11.6 | 1.9 |
| 2020-06-04 07:00 | 12.2 | 31.1 | 1.5 | - | 10.8 | 4.3 |
| 2020-06-04 06:00 | 10.4 | 32.2 | 1.5 | - | 7.9 | 6.8 |
| 2020-06-04 05:00 | 9.1 | 35.1 | 1.5 | - | 9.9 | 8.3 |
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.
