All three materials you list are generally considered "resistant" to atmospheric corrosion. The actual corrosion you will have is dependent on many things like geography, type of environment (rural versus urban), humidity, proximity to salt water, concentration and types of pollutants, etc. I am not an expert on atmospheric corrosion but the order of these materials for general corrosion resistance is copper < 304 stainless steel < 316 stainless steel.
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