There are currently 28 accredited airports at Level 1 'Mapping', representing 17.2% of North American air passenger traffic.
There are currently 16 accredited airports at Level 2 'Reduction', representing 5.9% of North American air passenger traffic.
There are currently 15 accredited airports at Level 3 'Optimisation', representing 14.7% of North American air passenger traffic.
There is currently 2 accredited airports at Level 3+ 'Neutrality', representing 1.1% of North American air passenger traffic.
There are currently 3 airports accredited at Level 4 'Transformation', representing 5.7% of air passenger traffic in the region.
At present, 3 airport managed to secure Level 4+ ‘Transition’ in the North American region, representing 6.3% of air passenger traffic.