It's worse than that, it's every 3 to 7 hours of fossil fuel pollution roughly equaling the total death toll of all nuclear power accidents in history (around 4000 indirectly, most from cancer resulting from Chernobyl - but there's only around 100 total in a direct way).

Probably but damage from nuclear accidents isn't only measured in deaths. No coal plant accident has caused an exclusion zone for 40 years.