Do Masks Help Protect Against Wildfire Smoke?
New York Times
Use N95, or better, masks and make sure they cover your nose and mouth.
https://www.nytimes.com/2023/06/07/us/masks-wildfire-smoke-air-quality.html
New York Times
Use N95, or better, masks and make sure they cover your nose and mouth.
https://www.nytimes.com/2023/06/07/us/masks-wildfire-smoke-air-quality.html