Heatwaves and ozone together increase India’s cardiac deaths: study (opens original article in a new tab)
A study finds that heatwaves and ozone together increased India's cardiac deaths, linking 26,500 deaths from ischaemic heart disease and COPD to ozone exposure during 2024 heatwaves, with ozone levels exceeding WHO guidelines and contributing to additional fatalities.
- Study links 26,500 deaths from heart disease and COPD to ozone exposure during 2024 heatwaves
- Ozone levels during heatwaves in northern India reach 85-110 μg/m³, exceeding WHO guidelines
- Heatwaves contribute 830 additional deaths by raising ozone levels beyond normal
- Authors call for urgent climate-air quality policies to address intensifying heat-ozone extremes
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