Oh Greenpeace vultures are at it again 🤦‍♂️ In reality:

"The recent fires in the Exclusion Zone near the Chornobyl Nuclear Power Plant (NPP) in Ukraine have not led to any hazardous increase of radioactive particles in the air"

https://www.iaea.org/newscenter/pressreleases/iaea-sees-no-radiation-related-risk-from-fires-in-chornobyl-exclusion-zone