Modifiers matching debris:

• clean,
• cool,
• airborne,
• flying,
• environmental,
• lighter,
• miscellaneous,
• big,
• loose,
• fine,
• atmospheric,
• up,
• flammable,
• coarse,
• organic,
• combustible,
• everyday,
• modern,
• tiny,
• extraneous,
• conductive,
• floating,
• lightweight,
• dry,
• finer,
• large,
• solid,
• natural,
• suspended,
• ambient,
• stained,
• foreign,
• diverse,
• available,
• damaging,
• heavy,
• larger,
• unwanted,
• inert,

Simple categories matching airborne:

• contaminant,
• virus,
• agent,
• sensor,
• particle,
• substance,
• material,
• pathogen,
• disease,
• item,
• component,
• conveyance,
• condition,
• gas,
• microorganism,
• trauma,
• bacteria,
• vehicle,
• prey,
• toy,
• particulate,
• device,
• impurity,
• unit,
• allergen,
• organism,
• metal,
• pollutant,
• dust,
• pm,
• hazard,
• fiber,
• medium,
• feeder,
• germ,
• matter,
• bug,
• object,
• aerosol,
• image,
• constituent,
• chemical,
• contamination,
• hydrocarbon,
• insect,
• platform,
• illness,
• infection,
• contagion,
• pest,
• abrasive,
• pollution,
• vessel,
• creature,
• debris,
• craft,
• seed,
• aldehyde,
• sound,
• event,
• animal,
• compound,
• thing,
• predator,
• system,
• armament,
• waste,