Weekly NO2 Cycle Based on OMI Satellite Data

1
Weekly NO2 Cycle Based on OMI Satellite Data
The weekly NO2 cycle is entirely due to man-made
sources In automobile-dominated Philadelphia,
Friday exceeds Sunday by 50 In the power
plant-dominated Ohio River Valley, the difference
is less than 10 Thus, the OMI data offer a
measurement-based NOx emission characterization
Friday
Sunday

• OMI data from NASA Giovanni