OMI/MLS detected tropospheric ozone burden for the globe and each hemisphere.
The mass of tropospheric ozone (Tg) is shown by month for the globe (70° S – 70° N) and the Northern and Southern Hemispheres. Springtime in each hemisphere is indicated by the 3-month period between the vertical bars, beginning with the spring equinox and ending with the summer solstice. Numbers above the x-axis indicate the monthly percentage of the global tropospheric ozone burden that resides in the Northern Hemisphere.