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India’s capital — which has been ranked the most polluted city in the world — experienced hazardous levels of pollution on Friday afternoon, shooting up to as high as 743 particles of PM2.5 per cubic meter on the air quality index in some areas. Any level above 100 is considered unhealthy.


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India’s capital — which has been ranked the most polluted city in the world — experienced hazardous levels of pollution on Friday afternoon, shooting up to as high as 743 particles of PM2.5 per cubic meter on the air quality index in some areas. Any level above 100 is considered unhealthy. Chat Online