The bachelor's thesis deals with the current state of fire protection in the natural environment. The main goal of the bachelor thesis is identify, summarize, analyze and compare existing methodologies, procedures and systems for automatic fire risk assessment and spread of fire in the environmental conditions of the Slovak Republic and abroad. To fulfill the main goal of the bachelor thesis, analysis, summarization and synthesis of knowledge from domestic and foreign sources were used. The result of the bachelor thesis is identification key parameters, comparison and assessment of fire alarm systems used for identifying fire hazards in the natural environment of Slovakia and abroad.