Increased air pollution in recent years has not only contributed to deteriorating environmental conditions in cities across the globe. It has also exacerbated health risks for the people who populate them, particularly those who suffer from pulmonary diseases, such as asthma or chronic obstructive pulmonary disease (COPD). These dynamics underscore the importance of work to increase the efficacy of drug delivery devices, such as inhalers, that administer active pharmaceutical ingredients to treat respiratory illnesses.