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

San Fernando
Rengo
Curico
Rancagua I
Rancagua Ii
Talagante
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San Fernando AQI: San Fernando Real-time Air Quality Index (AQI).
76
Moderate
Updated on Thursday 23:00
temperature: 14°C
currentpast 2 daysminmax
PM2.5 AQI
76San 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.50157
PM10 AQI
30San 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.1363
O3 AQI
13San Fernando, Chile O3 (ozone) measured by Sistema Nacional de Calidad del Aire en Chile. Values are converted to the US EPA AQI standard.120
Weather Information
Temp.
14San Fernando, Chile t (temp.) measured by Citizen Weather Observer Program (CWOP/APRS).1215
Pressure
1018San Fernando, Chile p (pressure:) measured by Citizen Weather Observer Program (CWOP/APRS).10141018
Humidity
71San Fernando, Chile h (humidity) measured by Citizen Weather Observer Program (CWOP/APRS).6787
Wind
2San Fernando, Chile w (wind) measured by Citizen Weather Observer Program (CWOP/APRS).16
MarkerMarker
map © OpenStreetMap contributors

Air Quality Forecast
FRI 15
18°C
7°C
SAT 16
23°C
9°C
SUN 17
20°C
7°C
MON 18
16°C
6°C
TUE 19
19°C
9°C
PM2.5
Friday 15Saturday 16Sunday 17Monday 18Tuesday 19
hour
0369121518210369121518210369121518210369121518210369121518
Wind Speed (m/s)
1111443100113421121143321113106121111234







































Temp.
9°9°7°9°16°18°14°12°11°9°9°17°23°23°19°14°11°10°7°11°15°19°17°9°9°7°6°10°16°9°10°10°10°10°9°12°17°19°16°
relative humidity
948696885041565850493717121528495665825642313283828791653283666464646346232338
barometric pressure
101910171018101910171016101810181017101610151016101410121012101410141013101410151015101210121015101410131015101610151019102110221022102110201020101910171017
total precipitation
7.411.30.30.8
UVI:
7


8:13 ~ 19:20
UVI:
7


8:12 ~ 19:21
UVI:
7


8:11 ~ 19:21
UVI:
4


8:10 ~ 19:22
UVI:
0


8:10 ~ 19:22
Forecast plotted using timezone -03:00
Latest forecast updates:
Wind: 6 hours ago [Aug 14, 2025 10:45 PM]
fine particulate matter: 15 hours ago [Aug 14, 2025 2:25 PM]
click to view the detailed forecast

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

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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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