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AQMD issues ozone advisory due to heat wave 

AQMD issues ozone advisory due to heat wave 
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Source: The Signal
Date: 07/23/2026 2:21pm

Article Summary:
AQMD Issues Ozone Advisory for Southern California Amid Heat Wave, Warning of Unhealthy Air Quality Through Monday
The South Coast Air Quality Management District has issued an ozone advisory through 8 p.m. Monday as a heat wave drives unhealthy air quality across much of Southern California, including the Santa Clarita Valley. Officials warn that smog levels could reach “Unhealthy” or higher in several inland areas, while coastal regions are expected to see lower concentrations. Residents are urged to limit outdoor activity and reduce pollution-producing activities during peak afternoon hours.

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