A REVIEW OF NEW HITZ

If common air is mostly made up of N2, O2, H2O and more compact amounts of other gases, then how occur the plasma glow we see all through a static discharge or lightning is blue? Since that listing seems to condition that a mixture of O2 and N2 would offer you a orange-ish shade. Or am I Mistaken with regards to the regularity?Irrespective of its t