How to solve these 6 negative effects of stale air

\nStale air is associated with unpleasant feelings in the indoor environment.
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\nPeople often associate it with high concentrations of carbon dioxide (CO₂). However, at low levels, it is not harmful to health on its own. Along with the concentration of CO₂, the concentration of other substances in the air also rises, and it is these that cause the symptoms of stale air.
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\nCarbon dioxide rises very similarly to them, but (unlike the other substances) it is easy to measure and is therefore a great indicator of indoor air quality.
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Symptoms of stale air

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POOR CONCENTRATION
	\n INEFFECTIVE MEETINGS \n
\n FATIGUE, DROWSINESS \n
	\n HEADACHES \n
\n POOR SLEEP \n
	\n NAUSEA AND DIZZINESS \n

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