Dirt and deposited pollutants accumulated from the surrounding air, including dust, soot, aerosols, salts, and other airborne material.

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Meaning and boundaries
Atmospheric soiling is an exposure category, not one uniform substance. Coastal salt, traffic soot, industrial fallout, and ordinary dust require different identification and care.
Why it matters in glass restoration
Local environment and exposure history help explain why glass soils unevenly and why cleaning frequency and methods should be site-specific.
Related terms
References
- National Glass Association — Proper Procedures for Cleaning Architectural Glass Products
Publisher’s original source - Canadian Conservation Institute — Caring for ceramic and glass objects
Publisher’s original source - U.S. General Services Administration — Cleaning historic masonry: Removal of atmospheric soiling, stains, and biological growth
Publisher’s original source