Improved Air Quality Tempered by Human Costs, DeShazo Says

JR DeShazo, director of the UCLA Luskin Center for Innovation, spoke to LAist about the complicated effect that the COVID-19 pandemic has had on vehicle emissions and air pollution in Los Angeles. Emptier roads have decreased vehicle emissions and nitrogen dioxide levels, yet experts have noted that smog levels are staying high later in the evening. While air pollution due to transportation-related emissions is decreasing, researchers can’t yet say with scientific certainty by how much — or what the lasting effects of that drop in emissions will be. Furthermore, DeShazo warns against compartmentalizing only the benefits of improved air quality while ignoring the huge human costs of the unprecedented global health crisis. “We’re seeing how important travel is to producing employment opportunities and educational opportunities and access to health care,” he explained. “I think we have to be very cautious in how we interpret this impact.”


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