https://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/2017SW001639@10.1002/(ISSN)2333-5084.SCISOC1 https://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/2

https://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/2017SW001639@10.1002/(ISSN)2333-5084.SCISOC1 https://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/201... says: During times of calm space weather, travelers on flights from say, Chicago to Beijing, over the north pole get the equivalent radiation dose of a chest X‐ray (~0.1 mSv) [e.g., Meier et al., 2009; Bennett et al., 2012, 2013; Joyce et al., 2016; Tobiska et al., 2016].