http://blog.alexanderhiggins.com/net2/Washington-DC-Real-Time-US-Radiation-Monitoring-Graph.aspx
and have noticed that sites like near where I live, in the Northern Plains, have been spiking badly the last 5 weeks or so. what was a beta gross count of 50-100 in May is now 150-350 in North Dakota, and now is a range of 300-600 in Rapid City South Dakota...at least until they stopped reporting about a week ago. Curiousler and curiouser, the Gamma counts at DC spiked for about 5 days just after the earthquake in Virginia last week.