California's south coast area in and around Los Angeles had 152 high-ozone days 20 years ago. That number dropped to 40 days by the late 1980s. Now that trend is reversing. As of Aug. 1, Los Angeles had 44 high-ozone days ā€“ nearly twice as many as the same period last year. Reacting to the situation, the South Coast Air Quality Management District (SCAQMD), which has responsibility for air quality in the area with 16 million residents, has come up with a plan ā€“ but points out it has ...

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