Costa Mesa, CA

Updated 9/20/2026, 3:50:21 PM PDT

Local Partner

WEATHER

76°F. Mostly sunny. Wind 10 mph SW. 7-Day Forecast →

Low 64°High 78°

Current

AIR

AQI 53 (Moderate).

GoodHazardous

AQI 53

PUBLIC ALERTS

No active federal alerts reported.

ROADS

I-405 • CA-55 • CA-73

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