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HongKong Air Pollution: Real-time Air Quality Index (AQI)

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HongKong AQI: HongKong Real-time Air Quality Index (AQI).
67
Moderate
Updated on Thursday 16:00
temperature: 21°C
currentpast 2 daysminmax
PM2.5 AQI
67HongKong PM25 (fine particulate matter) measured by . Values are converted to the US EPA AQI standard.667
PM10 AQI
24HongKong PM10 (respirable particulate matter) measured by . Values are converted to the US EPA AQI standard.424
O3 AQI
3HongKong O3 (ozone) measured by . Values are converted to the US EPA AQI standard.315
NO2 AQI
34HongKong NO2 (nitrogen dioxide) measured by . Values are converted to the US EPA AQI standard.635
SO2 AQI
2HongKong SO2 (sulfur dioxide) measured by . Values are converted to the US EPA AQI standard.26
CO AQI
7HongKong CO (carbon monoxide) measured by . Values are converted to the US EPA AQI standard.47
Temp.
21HongKong t (temp.) measured by Citizen Weather Observer Program (CWOP/APRS).1825
Pressure
1016HongKong p (pressure:) measured by Citizen Weather Observer Program (CWOP/APRS).10081020
Humidity
83HongKong h (humidity) measured by Citizen Weather Observer Program (CWOP/APRS).8396
Wind
1HongKong w (wind) measured by Citizen Weather Observer Program (CWOP/APRS).01

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Cloud API
This air quality monitoring station real-time data can be programmatically accessed using this API url: (For more information, check the API page:aqicn.org/api/ or aqicn.org/data-platform/api/H)

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The station comes with a 10-meter water-proof power cable, a USB power supply,mounting equipment and an optional solar panel.

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Air quality historical data


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About the Air Quality and Pollution Measurement:

About the Air Quality Levels

AQIAir Pollution LevelHealth ImplicationsCautionary Statement (for PM2.5)
0 - 50GoodAir quality is considered satisfactory, and air pollution poses little or no riskNone
51 -100ModerateAir quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
101-150Unhealthy for Sensitive GroupsMembers of sensitive groups may experience health effects. The general public is not likely to be affected.Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
151-200UnhealthyEveryone may begin to experience health effects; members of sensitive groups may experience more serious health effectsActive children and adults, and people with respiratory disease, such as asthma, should avoid prolonged outdoor exertion; everyone else, especially children, should limit prolonged outdoor exertion
201-300Very UnhealthyHealth warnings of emergency conditions. The entire population is more likely to be affected.Active children and adults, and people with respiratory disease, such as asthma, should avoid all outdoor exertion; everyone else, especially children, should limit outdoor exertion.
300+HazardousHealth alert: everyone may experience more serious health effectsEveryone should avoid all outdoor exertion

To know more about Air Quality and Pollution, check the wikipedia Air Quality topic or the airnow guide to Air Quality and Your Health.

For very useful health advices of Beijing Doctor Richard Saint Cyr MD, check www.myhealthbeijing.com blog.


Usage Notice: All the Air Quality data are unvalidated at the time of publication, and due to quality assurance these data may be amended, without notice, at any time. The World Air Quality Index project has exercised all reasonable skill and care in compiling the contents of this information and under no circumstances will the World Air Quality Index project team or its agents be liable in contract, tort or otherwise for any loss, injury or damage arising directly or indirectly from the supply of this data.



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