This article deals with the problem of light pollution, which is associated with the use of incorrectly constructed and positioned lamps, lanterns and reflectors. This problem is common in Polish villages, towns and cities, one of which is Tarnów. External lighting was analysed and evaluated in some areas of this city. This lighting was classified into the following groups: street, stylish, park, architectural and parking. This analysis enables solutions to the problem of excessive night-time lighting to be proposed.
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