Indian capital world's most polluted: Diwali fireworks add to already toxic smog

Air pollution in India’s capital city reached 'hazardous' levels on Friday after a fireworks ban was largely ignored during the Hindu festival of lights. New Delhi frequently tops the list of the world’s most polluted cities. It’s blanketed in cancer-causing smog each year. But its cars and stubble burning remain the main causes of its pollution. Al Jazeera’s Bernard Smith reports. Subscribe to our channel: http://bit.ly/AJSubscribe Follow us on Twitter: https://twitter.com/AJEnglish Find us on Facebook: https://www.facebook.com/aljazeera Check our website: http://www.aljazeera.com/ Check out our Instagram page: https://www.instagram.com/aljazeeraenglish/ Download AJE Mobile App: https://aje.io/AJEMobile #india #airpolution