New Harvard Study Links COVID Deaths and Air Pollution

Gretchen Goldman
April 8, 2020
Union of Concerned Scientists (blog)

The most important result is that we found that people living in counties in the US that have experienced a higher level of air pollution over the past 15-17 years have a substantially higher COVID-19 mortality rate. To quantify, we found that a one unit increase in long-term average exposure to fine particulate matter is associated with a 15% increase in COVID-19 mortality rate on average in the analysis. This increase accounts for adjustments for any systematic differences between county level characteristics [such as population density or smoking rates].

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