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An Introduction to School-Day Air Quality

June 17, 2026 · The Clime Team
An Introduction to School-Day Air Quality

Indoor air quality (IAQ) in schools significantly influences the health, comfort, and academic performance of students and staff. Given that children spend a substantial portion of their day indoors, ensuring clean air is paramount.

What Are Common Indoor Air Pollutants in Schools?

Schools can harbor various pollutants that compromise air quality:

  • Radon: A colorless, odorless gas that can seep into buildings from the ground, leading to lung cancer.

  • Secondhand Smoke: Exposure to tobacco smoke can cause respiratory issues and increase the risk of asthma.

  • Combustion Pollutants: Emissions from unvented or malfunctioning heating systems, stoves, and fireplaces can release harmful gases like carbon monoxide and nitrogen dioxide.

  • Volatile Organic Compounds (VOCs): Emitted by products such as paints, cleaning supplies, and building materials, VOCs can irritate the eyes, nose, and throat.

  • Mold and Moisture: Damp environments can foster mold growth, leading to allergic reactions and respiratory problems.

How Does Poor IAQ Affect Health and Performance?

Exposure to indoor air pollutants can result in:

  • Short-Term Effects: Irritation of the eyes, nose, and throat; headaches; dizziness; and fatigue.

  • Long-Term Effects: Respiratory diseases, heart disease, and cancer.

Additionally, poor IAQ can lead to decreased concentration, increased absenteeism, and reduced academic performance among students.

What Are Effective Strategies to Improve IAQ in Schools?

Implementing the following measures can enhance indoor air quality:

  1. Source Control: Identify and eliminate individual sources of pollution. For instance, using low-emission cleaning products and ensuring proper maintenance of heating systems.

  2. Improve Ventilation: Increase the amount of outdoor air entering the building to dilute indoor pollutants. This can be achieved by adjusting ventilation systems and opening windows when possible.

  3. Air Cleaning: Utilize air cleaners and high-efficiency filters to reduce airborne contaminants.

  4. Regular Maintenance: Ensure that HVAC systems are well-maintained, and promptly address issues like leaks or mold growth.

How Can Schools Implement an IAQ Management Plan?

Developing a comprehensive IAQ management plan involves:

  • Assessment: Regularly monitor air quality and identify potential sources of pollution.

  • Action Plan: Establish procedures for addressing identified issues, including assigning responsibilities and setting timelines.

  • Communication: Engage students, staff, and parents in IAQ initiatives and keep them informed about actions taken.

  • Evaluation: Periodically review the effectiveness of the plan and make necessary adjustments.

By proactively managing indoor air quality, schools can create healthier and more productive learning environments.

(epa.gov)

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