The map above simulates a 300-kiloton nuclear airburst over Lahore, Pakistan — roughly the size of a modern deployed warhead. The coloured rings show the estimated fireball, the zones of heavy, moderate and light blast damage, the reach of the thermal flash and the ionizing-radiation dose. Drag the marker or change the weapon in the full simulator to explore other scenarios.
The metropolitan area is home to about 13.5 million people — the rings above are drawn to real scale over their homes.
The marker is in the colonial centre around the Mall Road and Anarkali. The 1.9 km zone of total destruction covers the Punjab Assembly, the Lahore Museum, Anarkali bazaar and Government College; the 4.7 km collapse ring reaches the Walled City, the Badshahi Mosque and Lahore Fort, the railway station and Gulberg's northern edge. Third-degree burns extend to about 7.5 km over Shahdara across the Ravi, Model Town's approach, Ichhra and the cantonment's western part; the 14.5 km ring of broken windows reaches Johar Town, Allama Iqbal Airport, DHA's inner phases and the Indian border's approaches at Wagah, 20 km east.
Lahore has about 13 million people and lies on a flat plain only 25 km from the Indian border, which is why it features in so many India–Pakistan scenarios run on this site. The Walled City's brick houses and narrow lanes would fail at low overpressures. Both countries are estimated to hold around 170 warheads each; see Nuclear arsenals.
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