Air pollution and COVID-19 research reveals how environmental pollutants significantly worsen outcomes from the pandemic virus. Studies demonstrate that prolonged PM2.5 exposure increases COVID-19 mortality rates, whilst long-term particulate matter exposure leads to elevated case numbers, making polluted areas particularly vulnerable during outbreaks. Research from China found that a 10 μg/m³ increase in nitrogen dioxide was associated with a 28.3% rise in COVID-19 mortality risk, highlighting how air quality directly impacts pandemic resilience. Discover the evidence showing how clean air strategies could have saved countless lives during the global health emergency and what this means for future pandemic preparedness.