EPISODE · Jun 30, 2025 · 1H 44M
#78 Rob McLeod: 1,200 Classrooms Later: What We Learned About Air Quality in Schools ImpAQS
from Air Quality Matters · host Simon Jones
Send us a textThe landmark ImpAQS study examining ventilation and air quality in 1,200 Austrian schools reveals widespread failure to meet minimum standards, with at least 25% of classrooms unable to maintain acceptable CO2 levels during operational hours. Professor Rob McLeod discusses how this comprehensive year-long study uncovered significant disparities in ventilation effectiveness between schools, creating an "air quality lottery" for students and teachers.• Comprehensive monitoring of CO2, temperature, and humidity across all nine Austrian federal regions throughout the 2023-2024 school year• Matched pair study comparing 600 classrooms with visible CO2 monitors against 600 control rooms with hidden sensors• Only 10% of Austrian schools have mechanical ventilation systems, with most relying entirely on natural ventilation• CO2 monitors dramatically improve ventilation behaviours, with over 90% of classrooms spontaneously appointing student "ventilation champions"• Cultural resistance and misconceptions about ventilation creating barriers to proper air exchange• Occupant density as a critical factor, with special schools providing 3+ square meters per student achieving superior air quality• Outdoor air pollution near schools often exceeding WHO guidelines, complicating ventilation strategies• Need for national-level intervention rather than leaving air quality challenges to individual schools• Disparities between schools creating educational and health inequalities that require systematic triaging of solutionsRob McLeod - LinkedInImpAQS ReportSupport the showCheck out the Air Quality Matters website for more information, updates and more. And the YouTube Channel The Air Quality Matters Podcast is brought to you in partnership with. Eurovent Farmwood Aereco Aico Ultra Protect Zehnder Group The One Take Podcast is brought to you in partnership with. SafeTraces & InBiot All great companies that share the podcast's passion for better air quality in the built environment. Supporting them helps support the show.
What this episode covers
Send us a textThe landmark ImpAQS study examining ventilation and air quality in 1,200 Austrian schools reveals widespread failure to meet minimum standards, with at least 25% of classrooms unable to maintain acceptable CO2 levels during operational hours. Professor Rob McLeod discusses how this comprehensive year-long study uncovered significant disparities in ventilation effectiveness between schools, creating an "air quality lottery" for students and teachers.• Comprehensive monitoring of CO2, temperature, and humidity across all nine Austrian federal regions throughout the 2023-2024 school year• Matched pair study comparing 600 classrooms with visible CO2 monitors against 600 control rooms with hidden sensors• Only 10% of Austrian schools have mechanical ventilation systems, with most relying entirely on natural ventilation• CO2 monitors dramatically improve ventilation behaviours, with over 90% of classrooms spontaneously appointing student "ventilation champions"• Cultural resistance and misconceptions about ventilation creating barriers to proper air exchange• Occupant density as a critical factor, with special schools providing 3+ square meters per student achieving superior air quality• Outdoor air pollution near schools often exceeding WHO guidelines, complicating ventilation strategies• Need for national-level intervention rather than leaving air quality challenges to individual schools• Disparities between schools creating educational and health inequalities that require systematic triaging of solutionsRob McLeod - LinkedInImpAQS ReportSupport the showCheck out the Air Quality Matters website for more information, updates and more. And the YouTube Channel The Air Quality Matters Podcast is brought to you in partnership with. Eurovent Farmwood Aereco Aico Ultra Protect Zehnder Group The One Take Podcast is brought to you in partnership with. SafeTraces & InBiot All great companies that share the podcast's passion for better air quality in the built environment. Supporting them helps support the show.
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#78 Rob McLeod: 1,200 Classrooms Later: What We Learned About Air Quality in Schools ImpAQS
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