Air pollution is no longer just an environmental concern it is a daily, invisible contributor to disease burden presenting in clinics. While respiratory complaints remain the most obvious link, growing evidence shows that polluted air is associated with cardiovascular events, metabolic disorders, adverse pregnancy outcomes, and even neurocognitive decline. Yet, in routine practice, exposure history is rarely explored with the same rigor as other risk factors. What makes this challenge more complex is its subtlety.
Patients may present with recurrent exacerbations of asthma, unexplained fatigue, or poorly controlled hypertension without any clear trigger. Ambient PM2.5 and NO₂ levels, often overlooked, can act as chronic stressors, worsening underlying conditions and increasing hospital visits. In urban settings especially, clinicians may be underestimating how frequently pollution is…
