Here’s how I’d handle urban outdoor furniture that’s been through a dusty city summer. City dust isn’t just grit—it’s usually a mix of soot, pollen, exhaust residue, and grit, and if you wet it first you can make mud that gets pushed into seams and fabric. So start dry: move the furniture into shade if possible, vacuum cushions and wicker with a brush attachment, and use a soft dry brush to lift dust from frames, slats, and crevices. Empty saucers and wipe out trapped debris.
Then clean by material. For metal and plastic, wash with warm water and a few drops of mild dish soap using a soft sponge or brush, rinse thoroughly, and dry with a microfiber cloth so you don’t get water spots; touch up chips before rust starts. For wood, use a damp cloth and mild soap, don’t soak it, and dry it right away; after it’s fully dry, apply outdoor wood oil if the finish looks tired. Wicker and resin need vacuuming first, then a soft brush with soapy water and a good rinse, but keep the pressure gentle. Glass tops are easy with soapy water or glass cleaner and a squeegee.
Cushions need a little more care: check the care labels, vacuum both sides, spot clean with mild detergent and water, rinse well, and let them dry completely in the sun or a dry, airy place—never put them away damp. For sticky city film, a diluted vinegar solution can help on some surfaces, but test a hidden spot first, especially on stone, aluminum, and coated wood. Skip bleach and high-pressure washers on delicate materials.
Once everything is clean and fully dry, protect it: cover furniture when it’s not in use, store cushions in a dry box, wax metal frames if the manufacturer recommends it, oil wood, and plan a quick rinse or dusting every week or two. That routine makes a dusty city summer much easier to undo.