Air pollution: Indian capital Delhi's air quality worsens ahead of Diwali festival
- Delhi is once again battling worsening air pollution as the onset of winter brings a familiar deterioration in air quality.
- The city's Air Quality Index (AQI) - which measures PM2.5, fine particulate matter that can clog lungs - has crossed 300, entering the "very poor" category and raising health concerns for millions of residents.
- Breathing such polluted air over prolonged periods can cause respiratory problems and worsen existing illnesses, with children and older people particularly vulnerable.
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- Delhi is once again battling worsening air pollution as the onset of winter brings a familiar deterioration in air quality.
- The city's Air Quality Index (AQI) - which measures PM2.5, fine particulate matter that can clog lungs - has crossed 300, entering the "very poor" category and raising health concerns for millions of residents.
- Breathing such polluted air over prolonged periods can cause respiratory problems and worsen existing illnesses, with children and older people particularly vulnerable.
Sources: BBC News