Why the mask has limited protection for wildfire smoke? September 13 2022, 6 Comments
The mask have to meet following codition:
1. No air leaking, mask must fit very tightly. The mask fit over the nose and under chin
2. N95 or N100 can filter out fine particle PM2.5 from smoke, but not hazardour gases. The activated carbon fibre can absorb it.
3. Use Electrostatic filter air purifier to absorb the wildfire smoke and radon. The PM0.01 particle can be removed.