Wildfire smoke contains a mixture of hazards: fine particulates (PM₂.₅) and a variety of gases. The primary recommended protection is filtering out the particulates (using at least an N95 or P100 filter)​. However, wildfires (especially those involving structures or diverse materials, like urban wildfires) can release volatile organic compounds (VOCs) and some inorganic gases. Notably, … Continue reading Choosing the right respirator after a wildfire: guidance for the general public