A SECRET WEAPON FOR HITZ WEED PEN

If common air is usually produced up of N2, O2, H2O and smaller sized amounts of other gases, then how come the plasma glow we see through a static discharge or lightning is blue? Mainly because that record seems to state that a mix of O2 and N2 would provide you with a orange-ish color. Or am I wrong regarding the regularity?Centro de Ryerson que