A modeling study of California wildfires from 2008 through 2018 estimates that smoke exposure was responsible for as many as 55,700 premature deaths.
Wildfire season got off to an early start in Northern California with the Corral Fire, which started burning grasslands in San Joaquin County on June 1 and grew to cover more than 50 square kilometers. A new modeling study estimates the health effects on the state’s population due to plumes of smoke from fires like this one — not only in the first few days, but also after years of exposure.in the state.
Studies have found that exposure to fine particulate matter pollution is linked to lung damage, an increased risk of a heart attack andHistorically, the research field has treated exposure to wildfire smoke as “this very acute event — it comes in, people are exposed to really high concentrations and then it leaves,” Cleland says. Studies have reported health harms in the short term, including).
Michael Jerrett, an environmental health scientist at UCLA’s Fielding School of Public Health, and his colleagues created a mathematical model to tackle the issue. The team used annual averages of wildfire smoke exposures over an 11-year period to try to capture the long-term effect on mortality. With early evidence suggesting that PMfrom wildfires may be more toxic than fine particulate matter from other sources, the team built that assumption into the model.
With how often wildfires are occurring and how they are projected to get worse with climate change, “it was really important to get some overall estimate of the size of this problem.”
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