In modern office environments, the importance of air quality is receiving increasing attention, especially the impact of carbon dioxide (CO2) concentration on employee health and work efficiency. As buildings become more airtight and offices more crowded, CO2 concentrations can exceed healthy levels, leading to a series of problems.

First, high CO2 concentrations directly affect the physical health of employees. After prolonged exposure to high CO2 environments, employees may experience symptoms such as headaches, fatigue, inability to concentrate, and decreased responsiveness. These symptoms may not seem severe in the short term, but over time, they can impact an employee's overall health.

Secondly, from the perspective of work efficiency, excessive CO2 levels impair cognitive function. Research shows that when CO2 concentrations in the office rise, employees' decision-making abilities, problem-solving skills, and focus may be compromised. This not only reduces individual work efficiency but may also affect the performance of the entire team.

To address this issue, businesses and organizations can take various measures. Improving office ventilation is a direct and effective solution. Regularly opening windows for ventilation or using high-efficiency air conditioning and ventilation systems can help reduce indoor CO2 levels.

In terms of technology, carbon dioxide sensors can be appropriately used to monitor office air quality. Although this is not the primary means of solving high CO2 problems, these sensors provide real-time insight into indoor CO2 levels, allowing for timely actions such as increasing ventilation. These devices are beneficial auxiliary tools for ensuring employee health and improving work efficiency.

In addition to physical and technical measures, increasing employee awareness of the importance of indoor air quality is also critical. Through education and outreach, letting employees know the potential health risks of excessive CO2 levels can increase their concern for their personal and team health environments.

In summary, high carbon dioxide concentrations in the office environment affect both employee health and work efficiency. By improving ventilation, monitoring air quality, and increasing environmental awareness, this challenge can be effectively met, creating a healthier and more productive work environment.