Ans: Today's air compressor has a noise range starting from 40 dB and going above 90 dB: 40 to 60 dB - Low Noise Level: Example, CAT-4610AC, Makita MAC100Q, and MAC210Q. 70 to 80 dB - Moderate Noise Level: Example, the pancake air compressors. 90 dB & Above Ranges - High Noise Level: Example, the Oil-lubricated air compressors.