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El Niño surge puts India at risk as heat threat intensifies

A developing El Niño pattern threatens to expose millions globally to dangerous heat stress, with India among the countries facing heightened vulnerability. Health systems and vulnerable populations across the region face mounting pressure as temperatures rise.

LSN India · 23 September 2026

El Niño surge puts India at risk as heat threat intensifies

The emergence of El Niño conditions is expected to amplify heat stress across South Asia, with India positioned as a particular concern for health authorities. The developing climate phenomenon could trigger widespread temperature increases that strain already-stretched healthcare infrastructure and disproportionately affect economically disadvantaged communities.

Global health assessments indicate that approximately 450,000 lives face elevated risk from intensified heat conditions driven by the El Niño pattern. The warming effect compounds existing vulnerabilities in densely populated regions where access to cooling infrastructure remains limited and outdoor labour remains prevalent.

India's experience with extreme heat in recent years underscores the acute dangers posed by such climatic shifts. Urban areas grappling with heat island effects and rural populations dependent on agriculture face compounded challenges as the El Niño pattern develops.

Health authorities across the region are expected to strengthen preparedness measures, including heat action plans and community awareness initiatives. The convergence of El Niño impacts with India's geographic and demographic factors has prompted heightened monitoring of temperature trends and heat-related health outcomes. Experts emphasize the critical need for enhanced early warning systems and targeted support for vulnerable populations as the pattern strengthens.