- 🫁 Respiratory irritation: Causes coughing, wheezing, and shortness of breath due to airway inflammationstatic.wixstatic.com.
- 🫁 Asthma exacerbation: Triggers asthma attacks and worsens symptoms in children and adultsstatic.wixstatic.com+1.
- 🫁 Increased respiratory infections: Raises risk of bronchitis, pneumonia, and lower respiratory tract infectionsstatic.wixstatic.com.
- ❤️ Cardiovascular effects: Linked to increased risk of heart attacks, strokes, and hypertensionstatic.wixstatic.com+1.
- 🧠 Cognitive decline: Long-term exposure associated with reduced cognitive function in children and adultsd1hbpr09pwz0sk.cloudfront.net.
- 👶 Vulnerable groups: Children (impaired lung development) and elderly (worsened heart/lung diseases) at highest riskstatic.wixstatic.com+1.
- 🌍 ~4 million deaths/year globally attributed to NO₂ exposure (as part of PM2.5 and ozone mixtures)d1hbpr09pwz0sk.cloudfront.net.
- 🫁 Increased respiratory mortality: 0.09% rise per 10 μg/m³ 24-hour O₃ exposuretiktok.com.
- 🫁 Lung function decline: Long-term exposure accelerates FEV₁/FVC reduction over 20 yearsthelancet.com.
- 🫁 Asthma & COPD exacerbation: Triggers wheezing, coughing, and chronic respiratory disease worseningtiktok.com+2.
- ❤️ Cardiovascular disease: Linked to heart attacks, strokes, and hypertensionmail.google.com+1.
- 🧠 Neuroinflammation & cognitive decline: May contribute to Alzheimer’s, Parkinson’s, and memory lossmdpi.com.
- 👶 Vulnerable groups: Children (impaired lung growth) and elderly (worsened COPD/heart disease) at highest risktiktok.com+1.
- 🌍 ~423,100 deaths/year globally attributed to ozone exposuremdpi.com.






