Air quality index73Moderate

Acceptable for most people; unusually sensitive people should take it easier outdoors.

Next 24 hours

US AQI

75Now
72
69
679 PM
61
56
5112 AM
50
50
493 AM
51
53
556 AM
50
46
419 AM
43
44
4512 PM
46
46
473 PM
47
47

Air quality outlook

Worst hour each day

Today75Moderate
Sat 1755Moderate
Sun 1855Moderate
Mon 1980Moderate
Tue 2055Moderate

From our air-quality forecast models (GEOS-CF / GEFS aerosols). AQI uses the US EPA scale.

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About El Cajon weather

El Cajon is in San Diego County, California, United States at 32.79°, -116.96°. Right now it’s 91° and clear; today’s high is 92° with a 2% chance of rain.

California encompasses an extraordinary range of climates, from the Mediterranean coast to alpine peaks, scorching deserts, and temperate rainforests. The state's Central Valley is one of the most productive agricultural regions in the world, benefiting from warm, dry summers and mild, wet winters. Death Valley holds the record for the highest reliably recorded air temperature on Earth at 134 degrees Fahrenheit.