N95 masks have become a crucial part of personal protection, especially during wildfire seasons and in workplaces with hazardous air quality. But what exactly is an N95 mask, when should you use it, and what are the rules for employers and workers? Let’s dive into these essential questions in a clear and SEO-friendly way. What Is an N95 Mask and How Does It Work? An N95 mask is a disposable respirator with two straps designed to form a tight seal over your face. Its main function is to filter out at least 95% of airborne particles, making it highly effective against hazardous dust, smoke, and other contaminants. However, N95 masks do not provide protection against gases or vapors and are not suitable for use with asbestos or in oxygen-deficient environments. The “N” means it isn’t resistant to oil-based particles. When Should You Wear an N95 Mask? N95 masks are essential during exposure to harmful airborne contaminants, such as wildfire smoke or high levels of dust at the workplace. Fo...