Below are sky quality measurements for various locations in Missouri.  The data was extracted from the "World Atlas 2015" located at http://lightpollutionmap.info. 

The following information will better help you understand the data columns:   (Enjoy this fun mapMissouri Dark Skies Map)

Column Contents
Type State = Missouri State Parks
SQM Mag/arc sec2 (the higher the number, the darker the location.  IDA has a minimum 21.25 measurement to qualify for designation as a "Dark Sky Park").  Other criteria must be met.
Bortle Another method of measuring sky brightness. Refer to https://darkskymissouri.org/learn/bortle-scale

SEARCHABLE DATABASE OF SKY QUALITY MEASUREMENTS BY LOCATION IN MISSOURI:

Click on any column header to sort your list. You can enter text in the search box to filter your view.

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Region Type Name SQM Bright Limiting Abright Ratio Bortle Elev
Southeast State Current River State Park 21.96 6.600 0.18 7 0.039 2 286
Southeast State Echo Bluff State Park 21.96 6.600 0.18 7 0.038 2 218
Southeast State Roger Pryor Pioneer Backcountr 21.96 6.600 0.18 7 0.038 2 293
Southeast USA Ozark National Scenic Riverway 21.95 6.600 0.18 8 0.049 2 181
Lakes State Bryant Creek SP 21.93 6.600 0.18 12 0.068 2 265
Southeast State Montauk State Park 21.91 6.600 0.19 15 0.087 2 377
Southeast State Sam A. Baker State Park 21.91 6.600 0.19 14 0.082 2 171
Southeast State Johnson's Shut-Ins State Park 21.89 6.600 0.19 18 0.106 2 263
Southeast State Dillard Mill State Historic Si 21.88 6.600 0.19 20 0.118 3 305
Southeast State Grand Gulf State Park 21.88 6.600 0.19 20 0.114 3 258
Northeast State Mark Twain Birthplace SHS 21.87 6.600 0.19 21 0.124 3 181
Northeast State Mark Twain SP 21.87 6.600 0.19 21 0.124 3 181
Northeast State Locust Creek Covered Bridge SH 21.86 6.600 0.20 24 0.142 3 214
Northeast State Union Covered Bridge SHS 21.85 6.600 0.20 26 0.149 3 224
Central State Annie and Abel Van Meter State 21.84 6.600 0.20 27 0.160 3 235
Northeast State Battle of Athens SHS 21.84 6.600 0.20 27 0.158 3 204
Northeast State Pershing SP 21.83 6.500 0.20 28 0.166 3 219
Lakes State Stockton SP 21.83 6.500 0.20 28 0.166 3 265
Southeast State Taum Sauk Mountain State Park 21.83 6.500 0.21 36 0.208 3 541
Central State Boone's Lick State Historic Si 21.81 6.500 0.20 32 0.189 3 209
Central State Sappington Cemetery State Hist 21.80 6.500 0.21 34 0.199 3 225
Southeast State Big Oak Tree State Park 21.78 6.500 0.21 39 0.228 3 90
Southeast State Towosahgy State Historic Site 21.78 6.500 0.21 38 0.221 3 90
Southeast State Lake Wappapello State Park 21.75 6.500 0.22 44 0.254 3 117
Lakes State Prairie SP 21.75 6.500 0.22 45 0.263 3 274
Central State Arrow Rock State Historic Site 21.74 6.500 0.22 45 0.265 3 219
Kansas City State Big Lake SP 21.74 6.500 0.22 47 0.272 3 270
Southeast State Onondaga Cave State Park 21.70 6.500 0.23 54 0.317 3 265
Kansas City State Battle of Island Mound State H 21.69 6.500 0.23 56 0.327 3 267
St. Louis State Hawn State Park 21.64 6.500 0.24 67 0.391 4 206
Northeast State Iliniwek Village SHS 21.63 6.400 0.24 70 0.409 4 157
Southeast State Elephant Rocks State Park 21.62 6.400 0.24 71 0.414 4 389
Lakes State Harry S Truman SP 21.62 6.400 0.24 72 0.422 4 215
Lakes State Roaring River SP 21.62 6.400 0.24 72 0.419 4 423
Lakes State Pomme de Terre SP 21.61 6.400 0.25 74 0.430 4 281
Northeast State Graham Cave SP 21.60 6.400 0.25 77 0.450 4 226
Lakes State Big Sugar Creek SP 21.58 6.400 0.25 80 0.470 4 357
Northeast State Gen. John J. Pershing Boyhood 21.53 6.400 0.26 92 0.539 4 248
Lakes State Bennett Spring SP 21.52 6.400 0.27 95 0.556 4 344
Lakes State Lake of the Ozarks SP 21.52 6.400 0.26 96 0.560 4 231
Kansas City State Wallace SP 21.51 6.400 0.27 97 0.567 4 298
Southeast State Morris State Park 21.46 6.400 0.28 111 0.648 4 89
Southeast State Bollinger Mill State Historic 21.45 6.400 0.28 112 0.655 4 121
Central State Katy Trail, McKittrick Trailhe 21.44 6.400 0.29 115 0.671 4 159
Northeast State Crowder SP 21.42 6.300 0.29 120 0.703 4 234
Northeast State Long Branch SP 21.41 6.300 0.29 122 0.715 4 254
St. Louis State Washington State Park 21.39 6.300 0.30 130 0.760 4 256
St. Louis State Meramec State Park 21.38 6.300 0.30 132 0.772 4 193
Central State Bothwell Lodge State Historic 21.35 6.300 0.31 140 0.629 4 257
Southeast State Trail of Tears State Park 21.30 6.300 0.33 154 0.901 4 164
Northeast State Wakonda SP 21.27 6.300 0.34 163 0.956 4 162
Northeast State Thousand Hills SP 21.26 6.300 0.34 169 0.986 4 274
Kansas City State Lewis and Clark SP 21.21 6.200 0.36 185 1.080 4 252
Northeast State Cuivre River SP 21.20 6.200 0.36 186 1.090 4 212
St. Louis State St. Francois State Park 21.18 6.200 0.37 195 1.140 4 281
Lakes USA George Washington Carver Natio 21.15 6.200 0.38 204 1.190 4 328
Lakes State Ha Ha Tonka SP 21.13 6.200 0.38 210 1.230 4 320
Kansas City State Confederate Memorial SHS 21.07 6.200 0.40 232 1.350 4 244
Central State Finger Lakes State Park 21.00 6.100 0.43 257 1.500 4 224
St. Louis State Robertsville State Park 20.91 6.100 0.47 297 1.740 4 174
Kansas City State Watkins Woolen Mill SP and SHS 20.88 6.000 0.48 307 1.800 4 277
Central State Clark's Hill/Norton State Hist 20.84 6.000 0.50 325 1.900 4 172
St. Louis State St. Joe State Park 20.80 6.000 0.52 346 2.020 4 314
Kansas City State Weston Bend SP 20.77 6.000 0.53 360 2.100 4 285
Southeast State Hunter-Dawson State Historic S 20.69 5.900 0.57 399 2.330 4 93
Kansas City State Battle of Lexington State Hist 20.61 5.900 0.61 443 2.590 4 256
Lakes State Table Rock SP 20.54 5.800 0.66 488 2.850 4 281
Central State Rock Bridge Memorial State Par 20.26 5.700 0.85 676 3.950 5 233
Kansas City State Knob Noster SP 20.19 5.600 0.73 733 4.280 5 249
St. Louis State Dr. Edmund A. Babler Memorial 19.99 5.500 1.09 917 5.360 5 203
St. Louis State Route 66 State Park 19.94 5.500 1.15 975 5.700 5 219
Kansas City State Katy Trail SP - Rock Island Sp 19.67 5.300 1.46 1290 7.560 5 190
St. Louis State Castlewood State Park 19.39 5.100 1.90 1730 10.100 6 161
St. Louis State Edward "Ted" and Pat Jones-Con 19.21 4.900 2.24 2070 12.100 6 128
Central State Missouri State Museum 19.13 4.900 2.40 2220 13.000 6 180
Central State Jewell Cemetery State Historic 18.95 4.700 2.85 2680 15.700 6 225
Kansas City USA Harry S Truman National Histor 18.51 4.400 4.25 4080 23.900 7 318
Kansas City State Thomas Hart Benton Home and St 17.67 3.700 9.24 9070 53.000 8 290
St. Louis USA Gateway Arch National Park 17.38 3.400 17.38 11900 69.400 9 127