Smoke is fine particulate
The health effects of wildfire smoke are driven mostly by fine particles, which is exactly what a KN95-class mask filters.
Use case
Smoke season turns ordinary errands into exposure. A well-fitted KN95 mask is the practical answer for short periods outdoors, and it is one you can keep in the car.
The health effects of wildfire smoke are driven mostly by fine particles, which is exactly what a KN95-class mask filters.
A well-fitted 95% mask beats a poorly fitted higher-rated one. Gaps at the nose are where most leakage happens.
Sealing gaps, running a portable air cleaner and keeping windows closed reduces indoor levels far more than wearing a mask indoors.
| Situation | Suggested product | Why |
|---|---|---|
| Short trips outside | VQ-DM100 Fold-Flat | Lives in the car or a bag |
| Walking the dog on a smoky day | VQ-DM300 with Exhale Valve | Cooler to wear while moving |
| Clearing ash or debris | VQ-DM400 Headband | Stays put while you bend and lift |
| Managing indoor air | Air cleaner and sealed windows | Reducing the source beats masking up at home |
Everyday · GB2626-2019
Everyday dust protection that folds flat into a pocket.
Comfort · GB2626-2019
Cooler breathing when the work makes you sweat.
Heavy duty · GB2626-2019
Built for the dusty jobs that take all afternoon.
Local AQI readings tell you when it is worth wearing a mask and when staying indoors is the better call.
Pinch the nose clip over the bridge of your nose and check for gaps along the cheeks. Facial hair at the sealing edge reduces the fit.
A mask that has been worn for a smoky day, or that is damp, should be replaced rather than reused.
For a smoky day, plan on one mask per day of use. Replace it sooner if it becomes damp, discolored or harder to breathe through.
A little, but the better fix indoors is reducing the smoke coming in: keep windows closed, seal obvious gaps, and run a portable air cleaner. If your indoor air is bad all day, a mask is the wrong tool.
No. This is a consumer dust mask tested to GB2626-2019. Public agencies may set their own requirements for smoke exposure at work; follow those instead.