A photograph shown on NDTV has triggered national outrage and concern over Delhi's worsening air pollution crisis. The image compares healthy pink lungs with a lung belonging to a non-smoker living in Delhi, showing alarming black patches that many viewers say symbolize the invisible damage caused by years of breathing polluted air. The discussion comes after pollution readings during the Diwali period reached shocking levels. At one point, PM10 concentrations reportedly neared 4,000 micrograms per cubic metre, almost 100 times higher than the World Health Organization's recommended daily guideline.
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Fine particles such as PM2.5 can enter deep into the lungs and lead to inflammation and oxidative stress in the body. Prolonged exposure may also affect the cardiovascular system and overall physical health.
A Pakistani air quality body has found no evidence linking Lahore's post-Diwali smog to fireworks in India, pointing instead to thousands of crop-residue fires in Pakistan's own Punjab.
Morning chest heaviness should not automatically be attributed to air pollution. Persistent or worsening symptoms warrant medical evaluation, particularly if accompanied by coughing, wheezing or breathlessness.
The Pakistan report said the available evidence did not support attributing Lahore's poor air quality after Diwali to fireworks across the border.
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