Air pollution: Indian capital Delhi's air quality worsens ahead of Diwali festival
bbc news1 min read1 reads
On Wednesday morning, Delhi's air quality index reading stood at 377, in the "very poor" category.
Delhi air quality worsens ahead of Diwali as firework restrictions enter force34 minutes agoAbhishek Dey & Rachita PrasadBBC NewsGetty ImagesAir pollution is an annual problem in Delhi and large parts of northern India
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.
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