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Space-Based Measurements of Ozone and Air Quality in the Ultraviolet and Visible

What is the total column ozone amount over your home?

You can find the total column ozone amount* over your house (or anywhere else) for most dates between August 2004 and today using data from the Ozone Monitoring Instrument (OMI) on the Aura spacecraft. Just enter the date, latitude, and longitude you want.

NOTE: Ozone value for days up to and including two days ago are available;
ozone values for today and yesterday are not available.

Enter Instrument Name:


Select a point on the map or enter your Latitude and Longitude (in degrees), pick a date to view and press 'submit':

Image of the globe
Latitude: Longitude:
Year: Month: Day:


* This value is the total column ozone amount, NOT the amount of ozone that causes smog (and that you hear about from your local weatherman). The OMI measurements are not sensitive enough to measure changes in the amount of ozone this close to the ground.

What WAS the total column ozone amount over your home? Find out

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