Monitoring
Observational data are essential to our forecasting systems and provide information about how the climate has changed over many years.
These pages contain information about some of the work done by scientists at the Met Office on observations - such as to ensure that the data we use are of high quality - and the results of that work.
-
Atmospheric trends
Atmospheric observations and long term trends in Northern Hemisphere Greenhouse and ozone depleting atmospheric gas concentrations.
Last Updated: 6 February 2012
