Revell glue in tubes. It's thick, so doesn't run, but will take very long to dry. It contains the same solvent, but it evaporates more slowly.
Polystyrene cement is always solvent based, no matter what hydrocarbon solution is used, so perhaps start using other types of glue like cyanoacrylate or PVA?
Acrylic paints in rattlecans should not contain any solvents or flammable gas these days; don't use solvent based paints.
But no matter what; ventilate your room at any rate!