This image shows measurements collected by MAMAP on an aircraft, of a landfill site near Los Angeles emitting methane (shown in red) that is travelling with the wind. The measurements were taken during flights in in August and September 2014 as part of the COMEX campaign.

https://www.nasa.gov

This animation shows average total column Methane (CH4) in ppb, in the Pacific, from 25 to 29th March 2010. The observations are from GOSAT.

This image shows Mid-tropospheric Methane (CH4) in ppb across the Pacific. Observation of CH4 were taken from IASI.

Methane levels over time

In situ measurements of Methane taken at Mauna Loa, Hawaii from 1987 to 2018. The data shown in orange is preliminary.

https://www.esrl.noaa.gov

Measurements of methane taken from the SCIAMACHY instrument aboard Envisat from 2003-2011.

http://www.esa-ghg-cci.org