This April, more places in India saw mercury over 45 degrees in a decade

Heatwaves in India: New study shows record-breaking heat to become more common. Exposure to extreme heat can cause heat exhaustion or heat stroke

The heat waves in March and April 2022 were record breaking; of the last 12 years for which we accessed data from the India Meteorological Department (IMD), April 2022 had the highest number of weather stations recording more than 45 degrees Celsius (°C) maximum temperature.

Temperatures crossing 45°C is one, although not the only, criteria for declaring a heat wave over a region.

April 2022 also had the most number of times these stations recorded over 45°C. For example, in April 2010, 11 weather stations