The volume of air in which humans breathe (from 0 to 3 meters in height) is the place where warming, pollution and disease mingle, combine and reinforce each other. Breathing is now more deadly than smoke. The cost to public health is € 450 billion per year in the European Union.
Covid-19 has brought to light the fact that where pollution is greatest, disease is most severe and deadliest. With each breath, in fact, the lungs are pierced by ultrafine particles, opening a royal route to viruses.
To protect yourself from pandemics, you must also protect yourself from fine (PM2.5) and ultrafine (PM1) particles.
To learn more about the pollution-pandemic relationship: