Welcome to Environmental Protection Department Air Quality Health Index Website


Eastern
Date TimeNO2O3SO2COPM10PM2.5
2023-06-08 22:0028.934.50.8-11.42.7
2023-06-08 21:0032.832.61.1-6.11.7
2023-06-08 20:0031.135.60.7-5.95.8
2023-06-08 19:0032.139.20.7-13.47.4
2023-06-08 18:0035.137.70.6-15.12.7
2023-06-08 17:0034.840.40.9-6.4-
2023-06-08 16:0034.341.80.5-10.0-
2023-06-08 15:0030.546.20.5-14.61.6
2023-06-08 14:0032.251.20.9---
2023-06-08 13:0029.251.20.7---
2023-06-08 12:0033.345.40.6---
2023-06-08 11:0034.745.50.8---
2023-06-08 10:0033.643.40.6-8.63.7
2023-06-08 09:0033.339.30.7-8.63.9
2023-06-08 08:0030.336.00.8-3.62.4
2023-06-08 07:0025.339.50.7-2.70.5
2023-06-08 06:0016.648.80.8-6.44.4
2023-06-08 05:0013.255.41.0-7.33.8
2023-06-08 04:0012.058.51.0-6.72.2
2023-06-08 03:0014.153.11.1-6.31.9
2023-06-08 02:0015.552.30.7-7.72.4
2023-06-08 01:0018.849.71.0-6.83.0
2023-06-08 00:0026.743.41.2-6.03.4
2023-06-07 23:0029.740.01.1-7.12.7
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.

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Last revision date: 22:07 08-06-2023