Wildire smoke travelled hundred of miles to San Francisco, turning the air brown. It is impossible to keep smoke from seeping into your home, and the microscopic particles are harmful to your lungs.
In summer 2021, wildfire smoke from Canada was found in Philadelphia and New York City; 3,000 miles from the fires.
The biggest health threat from smoke is from fine particles. These microscopic particles can penetrate deep into your lungs. They can cause a range of health problems, from burning eyes and a runny nose to aggravated chronic heart and lung diseases. Exposure to particle pollution is even linked to premature death.
For more information visit the EPA website: https://www.epa.gov/pm-pollution/how-smoke-fires-can-affect-your-health#:~:text=The%20biggest%20health%20threat%20from,even%20linked%20to%20premature%20death.
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