Freeway air pollution travels farther in early morning

By Alison Hewitt - Although air quality has improved dramatically in Los Angeles in recent decades, a joint study by UCLA and the California Air Resources Board suggests that roughly a quarter of Angelenos are exposed to noxious plumes of freeway fumes almost every morning far more people than previously believed.

Freeway air pollution travels farther in early morning

Two years ago researchers outfitted an electric Toyota RAV4 with a set of test instruments and drove back and forth near four Los Angeles County freeways between 4:30 a.m. and 6:30 a.m., sampling ...

Thu 18 Apr 13 from L.A. Times

A quarter of Angelenos breathe noxious freeway pollutants every morning

By Alison Hewitt - Although air quality has improved dramatically in Los Angeles in recent decades, a joint study by UCLA and the California Air Resources Board suggests that roughly a quarter ...

Thu 18 Apr 13 from HealthCanal

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