This is thoroughly answered here. Also question is, what type of mask is recommended for smoke?
N95 or P100 respirators can help protect your lungs from smoke or ash. Straps must go above and below the ears.
Secondly, is n95 mask good for smoke? There is not clear evidence that N95 respirator use is beneficial to an individual's health during wildfire smoke events and could be harmful." Because the masks can be smothering, people often take them on and off to reduce the stuffiness and heat. This allows particulate matter to enter the masks.
Also know, does face mask help with smoke?
Respirator masks worn correctly may provide some protection by filtering out fine particles in the smoke. Masks do not help with hazardous gases in the smoke.
Is n99 better than n95?
N99 gas mask can filter up to 99% of the particles 2.5 from the air. Like N95, they are very resistant to pollutants, but they are better than N95 because of their higher filtration rate. The higher the efficiency, the more particles the respirator will filter out.