Name: Total Column Ozone Units: DU Source: TOMS+MERRA, OMI+MERRA, OMPS+MERRA-2, OMPS+GEOS5FP Missing: -9999.0 Year 90S--60S 60S--30S 30S--10S 10S--10N 10N--30N 30N--60N 60N--90N 1979 315.78 305.11 265.94 249.78 262.91 357.14 406.79 1980 323.67 312.19 272.57 256.03 252.81 349.49 395.00 1981 315.38 303.60 267.28 257.56 262.06 349.49 374.81 1982 309.88 306.57 267.73 246.90 260.35 362.70 430.15 1983 309.50 305.54 268.98 253.67 247.99 330.48 379.35 1984 306.50 300.61 266.64 245.43 261.41 349.03 376.61 1985 301.64 297.22 263.69 255.81 241.25 337.11 406.09 1986 290.25 286.57 258.56 248.39 255.93 350.48 390.71 1987 303.90 293.27 262.62 243.89 254.39 339.45 408.24 1988 298.60 295.39 265.15 256.92 245.02 326.15 386.82 1989 308.57 300.96 271.37 255.70 264.25 335.87 388.77 1990 300.46 296.79 270.05 257.63 252.83 337.11 388.66 1991 294.62 284.68 260.06 249.64 253.13 346.21 411.25 1992 304.79 300.97 269.30 247.71 253.43 331.27 363.34 1993 292.93 290.47 264.52 260.94 245.41 304.62 348.19 1994 284.69 282.30 253.34 237.36 246.51 336.87 393.48 1995 -9999.00 -9999.00 -9999.00 -9999.00 -9999.00 -9999.00 -9999.00 1996 -9999.00 -9999.00 -9999.00 -9999.00 -9999.00 -9999.00 -9999.00 1997 297.56 283.24 256.30 250.95 242.30 333.00 362.25 1998 285.85 285.91 252.64 237.85 250.51 345.14 387.91 1999 286.76 280.23 262.16 257.69 244.42 323.69 386.90 2000 286.16 280.76 262.87 253.52 259.70 334.29 374.85 2001 290.86 288.96 262.32 245.22 255.66 340.20 405.85 2002 290.46 289.29 271.76 263.53 245.48 323.52 392.19 2003 291.91 295.17 261.39 246.86 250.79 345.66 390.08 2004 291.12 288.32 261.68 249.53 243.00 328.02 378.69 2005 284.54 281.77 255.42 245.30 258.63 334.41 365.02 2006 286.33 282.61 255.91 243.21 241.55 327.73 414.60 2007 280.61 276.95 252.05 240.04 251.54 339.09 388.78 2008 292.69 279.59 259.18 249.00 247.40 330.05 383.13 2009 284.79 275.67 255.03 248.88 255.28 328.34 407.79 2010 293.60 287.70 258.52 239.58 250.55 349.22 399.10 2011 288.71 281.30 266.95 259.59 252.48 335.14 375.23 2012 293.16 278.38 257.83 241.92 253.25 335.15 416.76 2013 292.55 288.84 259.88 245.21 240.24 327.80 405.91 2014 290.46 282.72 256.56 249.30 255.70 340.33 388.08 2015 296.89 285.80 259.82 242.83 253.31 343.35 431.72 2016 286.70 278.70 256.89 246.51 250.60 338.80 376.20 2017 295.34 284.99 256.00 251.35 247.18 334.39 381.25 2018 298.83 287.32 259.50 241.97 259.57 347.86 369.45