Remembering When Cars Were L.A.'s Silent Smog Villain

Quiet Thursday — a throwback tale from our backyard reminds us how far we've come on cleaner air, while the week winds down gently.

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Local Pulse

Caltech Cracked Smog Code A Dutch chemist at Caltech pinpointed car exhaust as SoCal's smog culprit back in the '50s, shifting blame from factories to tailpipes and sparking emissions rules that cleaned our skies. Even Don Knotts threatened to ditch his Glendale house over it.

Bridge Collapse Anniversary Two years ago today, Baltimore's Francis Scott Key Bridge fell after a ship strike, claiming six lives — Maryland eyes a 2030 rebuild, a stark reminder of infrastructure's fragility.

Medicare Billing Wake-Up Small practices here are leaving thousands on the table by missing codes for chronic care management and remote monitoring — a quick system tweak could mean steady revenue without extra patients.

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Today's Outlook

• High 72°F · Low 52°F Mild and sunny for your commute or park stroll, but watch for that classic spring breeze kicking up by evening — perfect for al fresco plans without the old smog sting.

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What's On Around Town

Fewer than three confirmed events in the next 24 hours, even scanning nearby — a calm close to the workweek.

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Spotlight & Story

Arie Haagen-Smit's Caltech Lab This Netherlands-born biochemist shelved plant studies to chase L.A.'s choking smog, proving in makeshift experiments that sunlight baked car fumes into the toxic haze killing our gardens and lungs. Recruited by inventor Arnold Beckman, "Haagy" faced auto industry pushback but paved the way for catalytic converters — his Pasadena breakthrough still guards Glendale's breathable air today.

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