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Fireworks cause Southern California air quality problems

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LOS ANGELES (AP) — Air quality advisories are in effect across a swath of Southern California due to hours of fireworks blasts and a wildfire.

The South Coast Air Quality District says poor air quality is likely through Monday afternoon because fireworks emit high levels of particulate matter. July 4 and 5 are typically the worst days of the year for levels of fine particulate matter in the South Coast Air Basin. Breathing particulates can lead to a wide variety of cardiovascular and respiratory health effects.

A smoke advisory has also been issued due to the Tumbleweed Fire burning near Interstate 5 about 60 miles northwest of downtown Los Angeles.

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07/01/2025

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07/02/2025

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07/03/2025

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103° / 71°

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07/04/2025

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96° / 67°

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07/05/2025

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07/06/2025

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99° / 70°

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07/07/2025

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102° / 71°

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07/08/2025

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102° / 73°

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