El Cajon-Redwood Avenue, San Diego, California Air Quality
Monitoring Station
· Bostonia, United States
78
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
45
5pm
43
78
50
8pm
50
50
50
11pm
50
43
43
2am
43
43
43
5am
43
41
—
8am
—
—
—
11am
—
—
—
2pm
—
—
Station readings
45
78
CAMS model
adj +16
27
27
34
34
34
34
34
34
27
27
27
27
27
27
25
Air Quality Forecast (24h)
PM2.524.9 µg/m³
×1.7 WHO
Moderate
Nearby Monitoring Stations
50
El Cajon-Redwood Avenue, San Diego, California
46
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21
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41
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25
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13
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45
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42
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T20:42 UTC.