San Fernando Air Pollution: Real-time Air Quality Index (AQI)

San Fernando
Rengo
Curico
Rancagua I
Rancagua Ii
Talagante
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Because the San Fernando Air Quality Station is currently reporting an AQI of
1
which is too low compared to the surrounding stations (with an average of
101
), it is temporarily set as not available.

San Fernando AQI: San Fernando Real-time Air Quality Index (AQI).
-
Not Available
Updated on Tuesday 7:00
Primary pollutant: so2
currentpast 2 daysminmax
PM2.5 AQI
-San Fernando, Chile PM25 (fine particulate matter) measured by Sistema Nacional de Calidad del Aire en Chile. Values are converted to the US EPA AQI standard.74165
PM10 AQI
-San Fernando, Chile PM10 (respirable particulate matter) measured by Sistema Nacional de Calidad del Aire en Chile. Values are converted to the US EPA AQI standard.2667
O3 AQI
-San Fernando, Chile O3 (ozone) measured by Sistema Nacional de Calidad del Aire en Chile. Values are converted to the US EPA AQI standard.111
SO2 AQI
-San Fernando, Chile SO2 (sulfur dioxide) measured by Sistema Nacional de Calidad del Aire en Chile. Values are converted to the US EPA AQI standard.12
Temp.
-San Fernando, Chile t (temp.) measured by Citizen Weather Observer Program (CWOP/APRS).715
Pressure
-San Fernando, Chile p (pressure:) measured by Citizen Weather Observer Program (CWOP/APRS).10121014
Humidity
-San Fernando, Chile h (humidity) measured by Citizen Weather Observer Program (CWOP/APRS).76100
Wind
-San Fernando, Chile w (wind) measured by Citizen Weather Observer Program (CWOP/APRS).15

Air Quality Data provided by: the Sistema Nacional de Calidad del Aire en Chile (sinca.mma.gob.cl)

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News (Jun 2025): This station is currently reporting an AQI of 1 which is too low compared to the surrounding stations (with an average of 101). Therefore the AQI for this station is temporarily 'disabled'.

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/H10689)

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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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