The India Meteorological Department issued an orange alert for the Delhi-NCR region on May 19, 2026, as temperatures rose toward 46°C [1], [2].

This extreme heat poses significant public health risks for millions of residents in the capital and surrounding urban centers. Severe heatwaves often lead to increased rates of heatstroke and dehydration, straining local healthcare infrastructure and emergency services.

The alert covers a broad area including Delhi, Noida, Gurgaon, and Ghaziabad [1], [3]. Meteorologists said severe heatwave conditions are characterized by dangerously high temperatures and hot winds [4]. While some reports indicated a yellow alert [3], other primary weather updates confirmed the higher-level orange alert [1], [2].

Temperature forecasts for the region varied slightly across reporting agencies. Some data suggested the mercury was nearing 45°C [1], while other forecasts indicated temperatures could climb to approximately 46°C [2], [4].

Public health warnings accompanying the alert advise residents to avoid outdoor activities during peak heat hours. The combination of high temperatures and dry winds, often referred to as "loo" in the region, increases the risk of heat-related illnesses [4]. Local authorities are monitoring the situation as the heatwave persists through the week.

“Temperatures in Delhi, Noida, and Gurgaon are expected to approach 46°C”

The issuance of an orange alert indicates a high level of risk, signaling that the weather may be disruptive and potentially dangerous. The disparity in temperature forecasts—ranging from 45°C to 46°C—highlights the volatility of the current weather system, but both figures represent extreme heat that can exceed human tolerance without proper cooling and hydration.