Download Hangzhou Air Quality Index Mobile and Web Widget



149
Unhealthy for Sensitive Groups
Updated on Thursday 21:00
PM2.5
Hangzhou PM25 (fine particulate matter)  measured by Zhejiang Environmental Protection Bureau (浙江省环保厅门户).
Values are converted to the US EPA AQI standard.149
PM10
Hangzhou PM10 (respirable particulate matter)  measured by Zhejiang Environmental Protection Bureau (浙江省环保厅门户).
Values are converted to the US EPA AQI standard.74
O3
Hangzhou O3 (ozone)  measured by Zhejiang Environmental Protection Bureau (浙江省环保厅门户).
Values are converted to the US EPA AQI standard.2
NO2
Hangzhou NO2 (nitrogen dioxide)  measured by Zhejiang Environmental Protection Bureau (浙江省环保厅门户).
Values are converted to the US EPA AQI standard.46
SO2
Hangzhou SO2 (sulfur dioxide)  measured by Zhejiang Environmental Protection Bureau (浙江省环保厅门户).
Values are converted to the US EPA AQI standard.6
CO
Hangzhou CO (carbon monoxide)  measured by Zhejiang Environmental Protection Bureau (浙江省环保厅门户).
Values are converted to the US EPA AQI standard.13
Temp
Hangzhou  t (temp)  measured by Weather Underground.12
Pressure
Hangzhou  p (pressure)  measured by Weather Underground.1011
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About the Air Quality and Pollution Measurement:

The pollution indices and color codes available on this web site follow the EPA graduation, as defined by AirNow and explained in wikipedia.

AQIAir Pollution LevelHealth ImplicationsCautionary Statement (for PM2.5)
0 - 50 Good Air quality is considered satisfactory, and air pollution poses little or no risk None
51 -100 Moderate Air 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.
101-150 Unhealthy for Sensitive Groups Members 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.
151-200 Unhealthy Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects Active 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
201-300 Very Unhealthy Health 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+ Hazardous Health alert: everyone may experience more serious health effects Everyone 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 aqicn.org project has exercised all reasonable skill and care in compiling the contents of this information and under no circumstances will aqicn.org 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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