Quantifies acoustic comfort using federal noise modelling data for road,
railroad, and aviation sources. The score is a serenity scale: 1 is the
worst (extreme noise — immediate proximity to an airport runway or heavy
rail) and 255 is the best (serene — nature sounds only). A score of 0
indicates no noise data is available, which typically implies a rural or
very secluded location. The response includes the composite score and a
human-readable breakdown of individual noise sources in decibels.
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