Jan 28, 2025 - News
San Diego air pollution is improving, EPA says
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Good news: Air quality in San Diego is improving, according to year-over-year data.
Why it matters: Long-term exposure to poor air quality is harmful to your health.
By the numbers: The average percentage of fine particle pollution in the San Diego metro area decreased 4.6% from 2021-23, compared to 2014-16.
Yes, but: The American Lung Association ranks San Diego as the 8th most polluted region in America by Ozone, and the 18th most polluted by short-term particle pollution.