A severe heatwave gripped Delhi and the National Capital Region (NCR) in late April 2026, with temperatures soaring across north India.

The extreme heat poses significant risks to public health and infrastructure in one of the world's most populous urban areas. Persistent high temperatures during this period intensified the crisis as residents faced a lack of immediate relief measures.

Reports on the peak temperature varied across sources. Some data indicated that temperatures across the Delhi-NCR region hovered between 43°C and 45°C [2]. Other records noted a maximum temperature of 41.9°C in Delhi [1].

Weather data suggests the heat was significantly higher than typical seasonal patterns. One report said the temperature was 4.2 notches above normal [1]. This deviation contributed to the intensity of the weather event, creating a persistent state of heat stress for the population.

Seasonal high temperatures combined with the absence of cooling interventions intensified the grip of the heatwave [2]. Local authorities and residents in the NCR region continued to monitor the conditions as they sought relief from the soaring mercury.

“Temperatures across Delhi‑NCR hovered between 43 °C and 45 °C”

The occurrence of temperatures up to 45°C in late April indicates an early and aggressive onset of the summer heat cycle. When temperatures deviate by more than four notches above the norm, it places extreme pressure on the power grid due to air conditioning demand and increases the risk of heat-related mortality among vulnerable populations.