"There is no doubt that short-term exposure to very high levels of electromagnetic fields can be harmful to health."
https://www.who.int/news-room/questions-and-answers/item/radiation-electromagnetic-fields

EMF meter in this video: https://amzn.to/3Pw6yqK
Cheap EMF readers are a waste of time IMO.

"Is there scientific evidence of adverse health effects due to AC magnetic fields? Yes. Researchers have found health effects, including a doubling of leukemia rates associated with living in AC magnetic field strengths greater than 4.0 mG [4mG = 0.4uT] "
https://magneticsciences.com/EMF-health/#:~:text=What%20are%20mG%20and%20uT,then%201%20uT%20%3D%2010%20mG.

https://www.trifield.com/wp-content/uploads/2022/01/TF2QuickStartGuideV1.6.pdf

https://www.niehs.nih.gov/health/topics/agents/emf/index.cfm

https://www.saferemr.com/2014/07/shouldnt-hybrid-and-electric-cars-be-re.html