Delhi pollution: Indoor air worse than outside, says study
India’s capital routinely tops the list of the world’s most polluted cities. …
A mix of factors like vehicular and industrial emissions, dust and weather patterns make Delhi the world’s most polluted capital. The air turns especially toxic in winter months as farmers in neighbouring states burn crop stubble. And fireworks during the festival of Diwali, which happens at the same time, only worsen the air quality. Low wind speed also plays a part as it traps the pollutants in the lower atmosphere.
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