Understanding Delhi’s bad air in five steps: The Times of India

NEW DELHI: It’s around this time every year that air quality in the capital and its adjoining areas starts plunging — due to the onset of winter, coupled with crop burning in Punjab and Haryana and bursting of firecrackers on Diwali.
The Times of India

Read it on Delhiair.org: Understanding Delhi’s bad air in five steps

 

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