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Professor Prashant Kumar
In research titled "Investigation of air pollution mitigation measures, ventilation and indoor air quality at three schools in London", Professor Kumar and his team demonstrated how simple measures could make a significant difference to tens of thousands of children in the UK. This research can be found in the Journal of Atmospheric Environment.
Air purifiers in classrooms cut PM by up to 57%
Green screens reduced playground PM by up to 44%
School streets reduced outdoor PM by up to 36%
Professor Kumar is Founding Director of The Global Centre for Clean Air Research located just down the road from us in Hampshire. Their work has consistently shown the clear advantages of air purifiers in classrooms throughout the height of the pandemic and onwards.
Professor Kumar is one of the most highly cited scientists in his field and is a leading researcher on the impact air pollution has on the health of children and young people. The California Air Resources Board has recognised Professor Kumar with the prestigious Haagan-Smit Clean Air Award, widely considered to be the "Nobel Prize" in air quality achievement.
We are honored to have met, and are grateful for his support.
The underpinning factors affecting the classroom air quality, thermal comfort and ventilation in 30 classrooms of primary schools in London.
Assessing the impact of air purifier and scheduled natural ventilation on pollution-ventilation nexus in a a near highway infant school
Micro-characteristics of a naturally ventilated classroom air quality under varying air purifier placements
Professor Cath Noakes OBE
Professor Noakes discusses the impact of air quality and air cleaners on children’s education, including her research that shows air cleaners reduce absenteeism.
Professor of Environmental Engineering for Buildings at the University of Leeds, Professor Noakes leads research on ventilation and indoor air quality. She has worked on multiple national and international projects and served as an advisor to the UK government on the COVID-19 pandemic.

Professor Rob McLeod
Professor McLeod led the landmark Improving Air Quality in Schools (IMPAQ) study, which monitored ventilation and air quality across 1,200 Austrian classrooms. The study revealed that a significant portion of classrooms failed to meet acceptable CO2 levels, highlighting disparities in ventilation effectiveness and the need for improved air quality standards in schools. The Austrian Government funded the research. A Podcast discussing the study is available on the Safe Air Schools UK YouTube Channel.
Professor Rob McLeod is a distinguished academic in the field of building physics and sustainable design, renowned for his research on indoor air quality in educational settings. As a leading researcher, he has made significant contributions to understanding how environmental factors impact the health and well-being of students and staff in schools.
Distinguished Professor Jose-Luis Jimenez
Hosted by the US Environmental Protection Agency Indoor Environments Division, this webinar features presentations on the health benefits vs disbenefits from indoor air cleaners.
Professor Jimenez is Expert Advisor to Safe Air Schools UK. Further detail about his work can be found on our Expert Advisor page.