Tuen Mun
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-03-08 08:00 | 40.7 | 30.7 | 2.4 | 780.3 | 11.4 | 10.0 |
| 2021-03-08 07:00 | 25.8 | 32.3 | 2.1 | 794.2 | 14.9 | 6.1 |
| 2021-03-08 06:00 | 18.3 | 32.2 | 2.0 | 881.3 | 8.2 | 8.0 |
| 2021-03-08 05:00 | 16.3 | 34.8 | 2.0 | 909.6 | 9.9 | - |
| 2021-03-08 04:00 | 14.0 | 39.2 | 1.9 | 772.8 | 17.7 | 15.0 |
| 2021-03-08 03:00 | 16.1 | 36.0 | 2.1 | 849.1 | 24.8 | 21.9 |
| 2021-03-08 02:00 | 19.8 | 30.2 | 2.2 | 882.9 | 28.9 | 20.0 |
| 2021-03-08 01:00 | 22.3 | 30.1 | 2.6 | 906.1 | 28.0 | 19.0 |
| 2021-03-08 00:00 | 20.7 | 31.5 | 2.7 | 902.7 | 26.0 | 18.0 |
| 2021-03-07 23:00 | 22.9 | 29.4 | 2.4 | 921.1 | 24.1 | 21.9 |
| 2021-03-07 22:00 | 22.7 | 38.3 | 2.3 | 897.7 | 29.8 | 19.1 |
| 2021-03-07 21:00 | 27.5 | 42.2 | 2.6 | 939.0 | 21.3 | 21.0 |
| 2021-03-07 20:00 | 39.2 | 26.0 | 2.1 | 999.1 | 21.0 | 15.1 |
| 2021-03-07 19:00 | 36.4 | 32.5 | 1.9 | 971.8 | 15.2 | - |
| 2021-03-07 18:00 | 31.0 | 33.7 | 1.8 | 928.8 | 22.7 | 9.2 |
| 2021-03-07 17:00 | 29.0 | 29.1 | 2.0 | 936.6 | 25.9 | 15.9 |
| 2021-03-07 16:00 | 28.6 | 28.6 | 2.0 | 918.2 | 27.9 | 11.1 |
| 2021-03-07 15:00 | 29.2 | 28.1 | 2.2 | 949.0 | 19.3 | 14.0 |
| 2021-03-07 14:00 | 33.3 | 21.4 | 2.0 | 953.2 | 19.0 | 16.0 |
| 2021-03-07 13:00 | 35.2 | 17.2 | 2.2 | 943.7 | 18.0 | 12.1 |
| 2021-03-07 12:00 | 33.2 | 19.5 | 2.0 | 858.8 | 13.2 | - |
| 2021-03-07 11:00 | 36.4 | 33.5 | 1.8 | 767.5 | 21.7 | 14.0 |
| 2021-03-07 10:00 | 40.6 | 28.1 | 2.0 | 820.6 | 15.2 | 13.0 |
| 2021-03-07 09:00 | 26.2 | 41.2 | 1.9 | 729.0 | 19.8 | - |
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.
(5) Owing to urgent repair and maintenance, monitoring of PM10 & PM2.5 at Mongkok roadside air quality monitoring station have been temporarily suspended until further notice. We apologize for any inconvenience caused.
