This site is direct measurements from a university in Tromsø (northern Norway). The graph indicates level activity of northern light particles in their area and

This site is direct measurements from a university in Tromsø (northern Norway). The graph indicates level activity of northern light particles in their area and gives a great indication of whether or not there is Currently Northern Lights: http://flux.phys.uit.no/cgi-bin/mkstackplot.cgi?&comp=H&cust=&site=tro2a&Sync=& http://flux.phys.uit.no/cgi-bin/mkstackplot.cgi?&comp=H&cust...