Thursday, January 22, 2026

Why Clean Air Should Top Every School’s Priority List

Poor school air quality affects student health and academic performance. Learn about Camfil’s proven air filtration solutions for educational facilities.

Every school day, approximately 51 million students and staff enter educational buildings across the United States. While lesson plans and test scores often dominate discussions about academic success, there’s a critical factor that directly impacts learning outcomes yet receives far less attention: indoor air quality.

READ: Improving Indoor Air Quality in Schools: How Proper Air Filtration Enhances Academic Performance

Clean air affects more than just comfort. Cognitive performance, physical and mental health, and the conditions students need to excel are all affected by air quality. 

Poor indoor air quality (IAQ) in schools leads to increased absenteeism, health complications, and even reduced academic achievement. Fortunately, there are solutions available. Advanced air filtration solutions can transform educational environments, benefiting everyone who walks through the doors.

The Hidden Problem Affecting Millions of Students

Educational facilities face unique air quality challenges that many people don’t realize exist. Schools house diverse environments under one roof, from science laboratories and art studios to gymnasiums and cafeterias. Each space generates different types of airborne contaminants that can compromise the health and performance of students and staff.

Common air pollutants in schools include:

Outdoor Contaminants

Many schools are located in densely populated areas where vehicle emissions, industrial pollution, and seasonal allergens infiltrate buildings through ventilation systems and open doors. Traffic fumes containing nitrogen oxides and particulate matter pose particular risks to developing respiratory systems. In more rural areas, proximity to farms and industrial facilities can introduce similar pollutants.

Indoor Sources

Chemistry and biology labs produce toxic gases and chemical vapors. Art rooms generate dust from chalk, paint particles, and craft materials. Cafeterias release cooking odors, grease particles, and steam. Even standard classroom activities, such as the use of markers, chalk, and printers, create dust and VOCs, in addition to allergens and airborne bacteria from high occupancy levels.

Biological Contaminants

Crowded conditions make schools breeding grounds for viruses, bacteria, and mold spores. Poor ventilation allows these pathogens to circulate or accumulate throughout buildings, contributing to the rapid spread of illness during flu seasons and other outbreaks.

The Measurable Impact on Learning and Health

Research consistently demonstrates the connection between air quality and academic performance. When students breathe polluted air, their cognitive abilities suffer. Concentration becomes difficult, memory retention decreases, and overall learning capacity diminishes.

The health consequences extend beyond the classroom:

Increased Absenteeism: Poor air quality triggers asthma attacks, allergic reactions, and respiratory infections, leading to more sick days for both students and teachers. Schools with inadequate filtration report significantly higher absence rates.

Long-term Health Effects: Prolonged exposure to indoor air pollutants during childhood can contribute to the development of chronic respiratory conditions, affecting students well into adulthood.

Staff Productivity: Teachers and staff members also suffer from poor IAQ, leading to decreased job performance and higher turnover rates in affected schools.

Academic Performance: Studies show direct correlations between improved air quality and better test scores, with some schools seeing measurable improvements in student achievement after upgrading their air filters.

This article details important research findings on the connections between air quality and school performance: Air Quality Considerations in Schools 

Camfil’s Educational Air Quality Solutions

Camfil has established itself as a leader in air filtration technology, offering specialized solutions designed specifically for educational environments. Understanding that schools require different approaches for different spaces, Camfil provides comprehensive filtration solutions that address the unique challenges each area presents.

Comprehensive Filtration Technology

Camfil’s solutions include particulate filtration for removing dust and allergens, molecular filtration for eliminating gases and odors, and containment filtration for specialized laboratory environments. These systems work together to create healthier learning environments across entire campuses.

Energy-Efficient Design

Modern schools must balance air quality with energy costs. Camfil filters are engineered to provide superior filtration while minimizing energy consumption, helping schools maintain budgets without compromising on air quality.

Selecting the Right Filtration for Each Space

Different areas within educational facilities require tailored filtration approaches:

Classrooms

Standard classrooms benefit from high-efficiency particulate filters that remove allergens, dust, and airborne pathogens while maintaining energy efficiency. These filters should capture particles as small as 0.3 microns to effectively eliminate most biological contaminants.

Laboratories

Science labs may require specialized molecular filtration to handle chemical vapors and toxic gases. HEPA filtration combined with activated carbon filters provides comprehensive protection for students and staff working with potentially hazardous materials.

Gymnasiums and Auditoriums

Large gathering spaces need robust filtration filters capable of handling high occupancy loads. These areas generate significant amounts of moisture, odors, and airborne particles that require powerful air cleaning capabilities.

Cafeterias and Kitchens

Food service areas need smoke and odor control along with particulate filtration. Specialized exhaust filtration prevents duct fires while maintaining pleasant dining environments.

Beyond Health: Additional Benefits of Clean Air

While protecting health remains the primary concern, quality air filtration provides additional advantages that benefit school operations:

Energy Savings: High-quality filters maintain their efficiency longer, reducing the frequency of replacements and lowering HVAC system strain. This translates to significant energy cost reductions over time.

Reduced Maintenance: Clean air systems experience less contamination buildup, extending equipment life and reducing repair costs.

Liability Protection: Maintaining good indoor air quality helps schools avoid potential legal issues related to health problems caused by poor environmental conditions.

Enhanced Reputation: Schools with superior air quality often see improved parent satisfaction and community support, contributing to better enrollment and funding opportunities.

Creating Healthier Learning Environments

Research has repeatedly shown that clean air directly supports academic success and student well-being. Schools that prioritize air quality create environments where students can focus better, learn more effectively, and stay healthier throughout the academic year.

Camfil’s full-service filtration solutions address every aspect of educational facility air quality, from removing common allergens in classrooms to handling complex chemical filtration in laboratories. With proven results in schools worldwide, these systems represent a smart investment in student success.

Don’t let poor air quality limit your students’ potential. Contact Camfil today to learn how customized air filtration solutions can transform your educational environment and support better learning outcomes for everyone in your facility.

About Camfil

The Camfil Group is headquartered in Stockholm, Sweden, and has 29 manufacturing sites, six R&D centers, local sales offices in 35+ countries, and 5,700 employees and growing. We proudly serve and support customers in a wide variety of industries and communities across the world. To discover how Camfil USA can help you protect people, processes, and the environment, visit us at www.camfil.us.

Media Contact:

Mark Davidson

Marketing & Technical Materials Manager

Air Filters and Filtration Solutions

Mark.Davidson@camfil.com

+ (314) 566-6185

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