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Sirsa records highest air quality index of 403, Delhi logs 299
The concentration of highly polluted cities across Haryana, Uttar Pradesh, and Delhi highlights the growing air quality challenge in northern India.
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The concentration of highly polluted cities across Haryana, Uttar Pradesh, and Delhi highlights the growing air quality challenge in northern India.

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The concentration of highly polluted cities across Haryana, Uttar Pradesh, and Delhi highlights the growing air quality challenge in northern India.
