Supporting code and data for Multiscale atmospheric modeling suggests ammonia is necessary but not sufficient to explain new particle formation in the Colorado boundary layer

Code to reproduce tables and figures in paper by Ding et al (2026), "Multiscale atmospheric modeling suggests ammonia is necessary but not sufficient to explain new particle formation in the Colorado boundary layer" All surface and aircraft observation data used is freely and publicly available at https://www-air.larc.nasa.gov/cgi-bin/ArcView/discover-aq.co-2014, last access 16 Feb 2026 Han Ding, Hamish Gordon, Feb 2026Contact: [e-mail]