Recently (May-July 2023), the "Model Cement/Burnt Plastic" chemtrail type has been sprayed at an intensity that is unprecedented historically reaching intensity level 10 daily. The flood of mainstream news articles now coming out are clearly providing a cover story for the unprecedented chemtrail intensity we have been witnessing.

http://globalskywatch.com/chemtrails/ubbthreads.php?ubb=showflat&Number=24785#Post24785