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Delhi Surfaces Bake: 64C Heat Felt on Streets
15 Jun
Summary
- Surface temperatures in Delhi reached 64C, significantly hotter than air temperature.
- High surface heat poses serious health risks, including heat exhaustion and organ failure.
- Urban poor in Delhi face extreme heat with little relief, impacting daily lives.

As of June 15, 2026, Delhi is enduring a severe heatwave, with temperatures routinely surpassing 40C. Official air temperature measurements recorded a high of 43.5C, but a thermal camera revealed surface temperatures reaching up to 64C in various locations. These extreme surface temperatures, particularly on roads and concrete, significantly increase absorbed heat for individuals.
Constant exposure to such heat can lead to serious health issues like heat exhaustion, characterized by sweating, headaches, and fatigue. In critical situations, this can escalate to confusion, seizures, multiple organ failure, and even death. Health experts advise staying hydrated, wearing loose clothing, and using umbrellas for protection.
The most vulnerable are Delhi's poor, who must continue working outdoors. Street vendors and laborers face intense heat rising from the ground and radiating from surfaces, with little relief even at night. Many report feeling listless, experiencing pain, and suffering from insomnia due to the oppressive heat.
Living conditions in densely populated areas offer minimal escape, with indoor temperatures remaining high and lacking proper ventilation. The extreme heat disrupts daily routines, affects income, and severely impacts sleep patterns, leaving individuals feeling trapped between unbearable outdoor and indoor conditions.