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Monthly average data Select a date 2004 2005 2006 2007 2008 2009 2010 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec     Either click on a region in the map to submit or select a region from the list-menu and click 'submit'   000 == World view 001 == North pole 002 == South pole  ----------------- 101 == -150.0  60.0 102 == -120.0  60.0 103 ==  -90.0  60.0 104 ==  -60.0  60.0 105 ==  -30.0  60.0 106 ==    0.0  60.0 107 ==   30.0  60.0 108 ==   60.0  60.0 109 ==   90.0  60.0 110 ==  120.0  60.0 111 ==  150.0  60.0 112 ==  180.0  60.0  ----------------- 201 == -150.0  30.0 202 == -120.0  30.0 203 ==  -90.0  30.0 204 ==  -60.0  30.0 205 ==  -30.0  30.0 206 ==    0.0  30.0 207 ==   30.0  30.0 208 ==   60.0  30.0 209 ==   90.0  30.0 210 ==  120.0  30.0 211 ==  150.0  30.0 212 ==  180.0  30.0  ----------------- 301 == -150.0   0.0 302 == -120.0   0.0 303 ==  -90.0   0.0 304 ==  -60.0   0.0 305 ==  -30.0   0.0 306 ==    0.0   0.0 307 ==   30.0   0.0 308 ==   60.0   0.0 309 ==   90.0   0.0 310 ==  120.0   0.0 311 ==  150.0   0.0 312 ==  180.0   0.0  ----------------- 401 == -150.0 -30.0 402 == -120.0 -30.0 403 ==  -90.0 -30.0 404 ==  -60.0 -30.0 405 ==  -30.0 -30.0 406 ==    0.0 -30.0 407 ==   30.0 -30.0 408 ==   60.0 -30.0 409 ==   90.0 -30.0 410 ==  120.0 -30.0 411 ==  150.0 -30.0 412 ==  180.0 -30.0  ----------------- 501 == -150.0 -60.0 502 == -120.0 -60.0 503 ==  -90.0 -60.0 504 ==  -60.0 -60.0 505 ==  -30.0 -60.0 506 ==    0.0 -60.0 507 ==   30.0 -60.0 508 ==   60.0 -60.0 509 ==   90.0 -60.0 510 ==  120.0 -60.0 511 ==  150.0 -60.0 512 ==  180.0 -60.0 (The menu gives per region the centre longitute and latitude)   Other data archives Daily data at orbit coordinates Daily data at grid coordinates Alerts of SO2 events Overview of alert cases [to come] Time coverage of the data

<== previous month <== previous year September 2010 next month ==> next year ==> G [GOME-2 data not available yet] O [OMI data not available yet] S C I A M A C H Y SO2 vertical column density Absorbing aerosol index     (Montly averages of the cloud cover fraction are not made.) Other plots SO2 slant column density -- not available Cloud cover fraction -- not available   [Data file of September 2010 does not exist] R E G I O N Location of volcanoes     ===> List of volcanoes in this region   To go to a region, select one from the map in menu on the left

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