Welcome to Environmental Protection Department Air Quality Health Index Website


Central
Date TimeNO2O3SO2COPM10PM2.5
2022-05-26 10:0079.48.13.51,129.717.917.2
2022-05-26 09:0080.66.83.41,148.713.813.6
2022-05-26 08:0059.012.21.71,040.213.8-
2022-05-26 07:0052.612.01.31,027.611.0-
2022-05-26 06:0049.412.61.41,012.79.8-
2022-05-26 05:0052.612.91.0938.715.714.2
2022-05-26 04:0044.219.51.21,035.917.315.7
2022-05-26 03:0043.122.61.0950.616.011.7
2022-05-26 02:0060.613.11.71,038.117.915.0
2022-05-26 01:0058.016.41.2963.113.210.3
2022-05-26 00:0066.116.51.81,042.015.514.5
2022-05-25 23:0063.922.21.01,040.813.2-
2022-05-25 22:0060.024.51.21,056.613.112.5
2022-05-25 21:0064.223.11.31,153.211.9-
2022-05-25 20:0062.234.81.21,078.415.7-
2022-05-25 19:0079.629.62.21,127.713.512.6
2022-05-25 18:0080.728.01.91,131.417.816.7
2022-05-25 17:0078.528.91.91,118.718.915.8
2022-05-25 16:0094.016.23.51,124.019.014.6
2022-05-25 15:0095.612.83.31,195.019.616.2
2022-05-25 14:0084.216.73.01,222.520.018.2
2022-05-25 13:0082.415.13.11,229.016.114.5
2022-05-25 12:0072.215.72.81,191.213.211.3
2022-05-25 11:0064.715.81.71,107.313.412.8
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.

Mobile Version | Desktop Version
Last revision date: 10:07 26-05-2022