School children in some areas of Pakistan have been told they won’t be taking part in outdoor activities until the end of January 2025 because of an increase in air pollution.
Lahore became the world’s most polluted city on Monday when the Air Quality Index (AQI) hit hazardous levels.
The AQI measures pollution levels in the air.
Health officials in Pakistan have asked the most vulnerable people to stay inside.
The Environment Protection Department Punjab issued a high alert warning last week.
