India, Nov. 9 -- A viral Instagram video showing a Delhi man cleaning a jet-black air purifier filter has stirred fresh concern over the capital's alarming pollution levels. The clip, shared by Devanshu on Instagram, has become a sharp reminder of how hazardous the city's air has grown, with users reacting in disbelief and frustration.

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In the now widely shared video, the man is seen cleaning an air purifier filter that should ordinarily appear white or even a mild grey after regular use. Instead, it emerges entirely black, coated in thick layers of dust and particulate matter.

Check out the clip here:

The clip also features the song 'M...