When we talk about air quality, we distinguish between outdoor and indoor air quality. Outdoor air quality depends on the content of pollution in the outdoor air and is expressed by the index of air quality, indoor air quality and refers to the quality of indoor air in the buildings around it. Air quality is closely related to ventilation as it has a major impact on an individual’s health. The quality of the air in the room is controlled through the control of sources, ventilation and possible air purification and is given as a subjective assessment of the individual based on the perception of air in the room.
In order to ensure healthy air of adequate quality in the room, it is necessary to follow the guidelines set by the competent authorities.
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