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High Levels of Nitrogen Dioxide from Arizona's Yarnell Hill Fire
High Nitrogen Dioxide Levels From Arizona’s Yarnell Hill Fire

This June 29, 2013 image from the OMI, or Ozone Monitoring Instrument aboard NASA's Aura satellite shows nitrogen dioxide (NO2) levels in Arizona pertaining to three large fires. The highest levels of NO2, which is produced by combustion, were from the Yarnell Hill fire (dark red and brown). NO2 concentration is given as the number of molecules per square centimeter. The highest NO2 concentration values (8-9 x 10^15) indicated that this strong fire was burning a large amount of combustible material and thus generating a large amount of NO2 in a small area.

The image was created with the NASA Geospatial Interactive Online Visualization and Analysis Infrastructure (Giovanni), hosted by the Goddard Earth Sciences Data and Information Services Center at NASA’s Goddard Space Flight Center in Greenbelt, Md.

The Yarnell Hill Fire is located near 34.225 latitude and -112.791 longitude, about 1.5 miles west of Yarnell, Ariz. The multi-agency Incident Information System website noted that the fire began from a lightning strike on Friday, June 28th, 2013. The fire has consumed 8,374 acres. Currently, the towns of Yarnell and Peeples Valley under evacuation.

OMI NO2 and Aerosol Index data are processed at NASA Goddard and archived at GES DISC as part of NASA EOS Aura/OMI project.  The Dutch-Finnish-built OMI instrument is part of the NASA EOS Aura satellite payload. The OMI instrument is managed by KNMI and the Netherlands Agency for Aerospace Programs (NIVR).

Image Credit: NASA/OMI/Giovanni/James Acker  Text Credit: NASA/Rob Gutro and James Acker

Page Last Updated: July 28th, 2013
Page Editor: Lynn Jenner