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Fine dust
Our air purifiers filters (fine) dust from 2.5 micrometres in size (PM2.5). For reference: a fine dust particle is 1/30th of a human hair.
Pollen
Pollen is the name for the pollen from flowers that is spread by the wind and remains in the air. About 1 in 8 people are allergic to it.
Cooking odors
Although many people find the odors released during cooking to smell pleasant, the cooking fumes released during food preparation are actually harmful to inhale.
House dust mite
House dust mites are small spider-like animals that like to nestle in fabric products, such as upholstered furniture, curtains and bedding. The waste products of the house dust mite can cause allergic reactions.
Chemicals
Chemicals are chemicals found in many of our everyday products; think of cosmetics like perfume or deodorant, scented candles and cleaning products.
Pet dander
More than half of all families worldwide have a pet. What many people don't know, however, is that floating hair and dander from our faithful four-legged friends can be harmful to our health.
Smoke
Although we all recognise the harmful smell of smoke, smoke also has a negative impact on indoor air quality.
Fine dust
Our air purifiers filters (fine) dust from 2.5 micrometres in size (PM2.5). For reference: a fine dust particle is 1/30th of a human hair.
Pollen
Pollen is the name for the pollen from flowers that is spread by the wind and remains in the air. About 1 in 8 people are allergic to it.
Cooking odors
Although many people find the odors released during cooking to smell pleasant, the cooking fumes released during food preparation are actually harmful to inhale.
House dust mite
House dust mites are small spider-like animals that like to nestle in fabric products, such as upholstered furniture, curtains and bedding. The waste products of the house dust mite can cause allergic reactions.
Chemicals
Chemicals are chemicals found in many of our everyday products; think of cosmetics like perfume or deodorant, scented candles and cleaning products.
Pet dander
More than half of all families worldwide have a pet. What many people don't know, however, is that floating hair and dander from our faithful four-legged friends can be harmful to our health.
Smoke
Although we all recognise the harmful smell of smoke, smoke also has a negative impact on indoor air quality.
What is air quality?
Air quality is an indicator of the quality of air. Depending on the degree to which pollution sources are present in the air, a distinction can be made between clean and polluted air. Polluted air is caused by bacteria, chemicals, pet dander, dust mites, carbon and nitrogen monoxide (such as cooking smells and smoke), pollen and (fine) dust (such as PM2.5) floating in the air. Because of the diversity of pollution sources, a air purifier is relevant at different times. Whereas a person with hay fever complaints mainly benefits from the use of a air purifier in spring, for a person with asthma complaints this depends to a lesser extent on the season.
How do you measure air quality?
Because pollutant sources causing polluted air are in most cases not visually perceptible - for reference, a fine particle is 1/30th of a human hair - a PM2.5 laser sensor is the most efficient way of measuring air quality. This sensor is built into Tube and Bright and measures the particulate matter in micrograms per cubic metre (µg/m³). If the value is between 0-20, the air quality in the room is excellent to good. With a value between 21-75, the air quality is moderately to moderately unhealthy. With a value between 76-999 the air quality is considered to be (very) unhealthy and in some cases even dangerous. See the table below for the exact values and their meaning.
| ug/m³ | Rating |
| 0-10 | ● Excellent |
| 11-20 | ● Good |
| 21-50 | ● Moderate |
| 51-75 | ● Moderately unhealthy |
| 76-150 | ● Unhealthy |
| 151-300 | ● Very unhealthy |
| 301-999 | ● Hazardous |
What do you notice about poor air quality?
Contrary to popular belief, polluted air is not only noticeable with asthma, allergies or hay fever. Health complaints such as tightness in the chest, dry skin, eyes or throat and headaches indicate that the air quality indoors is polluted.
What to do about poor indoor air quality?
If you suffer from polluted air in your home, you can effectively improve it by using a air purifier. A air purifier is a device that draws in air and filters out the sources of pollution using a multi-layer filter, after which clean air is blown into the room. During this process, negative ions are dispersed through the room; these attach to fine dust particles so that they descend and can be extracted by the air purifier . The capacity of a air purifier can be demonstrated using the Clean Air Delivery Rate (CADR). The CADR indicates how many cubic metres a air purifier cleans per hour and depends on the capacity of the air purifier and the type of filter.
