To remedy the N95-standard face mask shortage at Japan hospitals caused by the COVID-19 pandemic, a medical institution and three companies in the Kansai region have teamed to develop and produce ...

N95 masks can be used safely and effectively by ordinary citizens on a daily basis to fight air pollution. They are also good for industrial workers and other persons who are revealing themselves ...

The agency recommends different tiers of mask effectiveness in protecting individuals from COVID-19, with N95 masks as the most effective. KF94, KN95, double masks and fitted surgical masks are in ...

The N95 mask can filter at least 95% of airborne particles larger than 0.3 micrometer in diameter. So PM2.5 particles which are 2.5 microns in diameter can be filtered well by these masks.