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Noise level was studied in four different categories of area in Haridwar  and  Dehradun  city  viz.  residential, commercial,  silent  and  industrial  zones.   Study   was  carried   out  at  32  locations  with   sound   level   meter   to asses day and night  time  noise  levels  of  Haridwar  and  Dehradun.  However,  noise  level  in  all  the  areas  were found  to  be  above  the  ambient  noise  standards   level.   In   residential   areas  of   Haridwar  and  Dehradun   the noise ranged between 77. 40±4. 52 to   89.90±8.87   dB   (A)   and 70. 70±8. 55   to   92.30±10. 41   dB   (A),   respectively, while  in  commercial   areas  of  Haridwar  and  Dehradun   the  noise   ranged  between   80.20±10.61  to   96.60±10.23 dB (A) and 80.90±6.63 to 89.10±9.81 dB  (A), respectively.