- Poor air quality has gripped northern India and neighbouring Pakistan ahead of Diwali as cold air and sluggish winds trap emissions across the region.
- Lahore recorded the worst air quality of any city in the world on Tuesday, with PM2.5 concentrations reaching 60 times the World Health Organisation's annual guideline.
- India's Supreme Court has restricted the use of low-polluting fireworks to a three-hour window on Saturday and Sunday to curb rising pollution levels.
- Delhi authorities have also introduced graded pollution control measures, including restrictions on construction activities, polluting vehicles, and the use of coal or firewood in eateries.
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