El Cajon-Redwood Avenue, San Diego, California Air Pollution:
Real-time Air Quality Index (AQI)

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El Cajon-Redwood Avenue, San Diego, California AQI: El Cajon-Redwood Avenue, San Diego, California Real-time Air Quality Index (AQI).
22
Good
Updated on Friday 7:00
Primary pollutant: o3
currentpast 2 daysminmax
PM2.5 AQI
12El Cajon-Redwood Avenue, San Diego, California, California PM25 (fine particulate matter) measured by : • CARB - California Air Resources Board • Air Now - US EPA. Values are converted to the US EPA AQI standard.748
PM10 AQI
5El Cajon-Redwood Avenue, San Diego, California, California PM10 (respirable particulate matter) measured by : • CARB - California Air Resources Board • Air Now - US EPA. Values are converted to the US EPA AQI standard.230
O3 AQI
22El Cajon-Redwood Avenue, San Diego, California, California O3 (ozone) measured by : • CARB - California Air Resources Board • Air Now - US EPA. Values are converted to the US EPA AQI standard.342
Weather Information
Temp.
7El Cajon-Redwood Avenue, San Diego, California, California t (temp.) measured by Citizen Weather Observer Program (CWOP/APRS).617
Pressure
1012El Cajon-Redwood Avenue, San Diego, California, California p (pressure:) measured by Citizen Weather Observer Program (CWOP/APRS).10051014
Humidity
96El Cajon-Redwood Avenue, San Diego, California, California h (humidity) measured by Citizen Weather Observer Program (CWOP/APRS).5896
Wind
2El Cajon-Redwood Avenue, San Diego, California, California w (wind) measured by Citizen Weather Observer Program (CWOP/APRS).012
MarkerMarkerMarkerMarkerMarker
map © OpenStreetMap contributors

Air Quality Forecast
FRI 7
15°C
8°C
SAT 8
20°C
10°C
SUN 9
22°C
12°C
MON 10
20°C
12°C
PM2.5
O3
Friday 7Saturday 8Sunday 9Monday 10
hour
036912151821036912151821036912151821036912151821036912
Wind Speed (m/s)
5312543111112421111143211112666533432





































Temp.
9°9°9°13°15°14°12°11°11°10°10°16°20°19°15°14°13°12°13°20°22°20°17°15°14°13°13°17°20°18°14°13°13°13°13°13°12°
relative humidity
80788060464958656971664023264247494841192024334345484535262862747278797280
barometric pressure
1013101410151017101610161019102110221022102410251024102210241025102410221023102210201018101810181016101410141014101210111013101210101008100910101010
total precipitation
1.93.80.30.30.61.12.10.51.20.6
UVI:
5


6:10 ~ 17:50
UVI:
7


6:09 ~ 17:50
UVI:
8


6:08 ~ 17:51
UVI:
7


6:06 ~ 17:52
UVI:
4


6:05 ~ 17:53
Forecast plotted using timezone -08:00
Latest forecast updates:
Wind: 5 hours ago [Mar 7, 2025 10:48 AM]
fine particulate matter: 2 days ago [Mar 5, 2025 10:23 PM]
ozone: 2 days ago [Mar 5, 2025 10:28 PM]
click to view the detailed forecast

Air Quality Data provided by: CARB - California Air Resources Board (arb.ca.gov) and Air Now - US EPA (airnow.gov)

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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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