The overall air quality level is a result of both PM concentration and the odor level.

Whether it is a different product or the same product used in the same space, the concentration measurement may vary due to air circulation.

Unlike odors (gas), dust particles travel slowly. Therefore, the measured concentration may be lower than the actual concentration.

Air flow near the dust sensor may interrupt normal operation of the particles sensor and indicated concentration may be different from actual particles concentration, accordingly.

When the product is used in the following environment, the measured concentration of particles may differ from the actual concentration.

• Near fabric sofas and beds, around hairy carpets, while making beds/folding clothes, while using vacuum cleaners, places with bugs and pets, and places with high humidity

• Places where outside air is available, such as construction sites, roadsides, and factories, or near outside doors, windows, and vents

• Places where products generating steam or fine particles (humidifiers, kitchen tools, or sprays) are used

• The sensor may not detect particles larger than PM10 generated by activities such as dusting off blankets or cleaning, but they are removed by the filter.

The concentration of odors (gas) may vary due to items emitting odors such as air fresheners, deodorizers, detergents, or cosmetics.