Air quality index71Moderate

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

Next 24 hours

US AQI

71Now
70
69
6510 PM
61
57
531 AM
49
45
484 AM
52
55
517 AM
47
43
4410 AM
44
45
461 PM
48
49
484 PM
48
47

Air quality outlook

Worst hour each day

Today73Moderate
Sat 1757Moderate
Sun 1863Moderate
Mon 1959Moderate
Tue 2053Moderate

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

Live radar

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About National City weather

National City is in San Diego County, California, United States at 32.68°, -117.10°. Right now it’s 89° and mostly clear; today’s high is 91° 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.