The LAEI 2019 is the latest version of the London Atmospheric Emissions Inventory and replaces previous versions of the inventory. Emissions estimates of key pollutants (NOx, PM10, PM2.5 and CO2) by source type are included for the base year 2019 and forecast years 2025 and 2030. Emissions for previous years 2013 and 2016 have also been revised, using the latest data...

The LAEI 2016 has been superseded. Click here for the full list of releases. Emissions estimates of key pollutants (NOx, PM10, PM2.5 and CO2) by source type are included for the base year 2016. Emissions for previous years 2010 and 2013 have also been recalculated, using the latest data sources (emission factors, activity data, ...) and methodology. Emissions projected...

The data shows roadside and background average readings for Nitric Oxide, Nitrogen Dioxide, Oxides of Nitrogen, Ozone, Particulate Matter (PM10 and PM2.5), and Sulphur Dioxide. Measured in Micrograms per Cubic Meter of Air (ug/m3). The spreadsheet shows which Index level each reading falls in, and contains charts showing pollutant levels by time of day per month. Trend graphs of...

These new borough packages provide a set of maps, data and graphs for the updated LAEI 2013. Their aim is to facilitate the usability of LAEI 2013 data.   Modelling and emission data from the LAEI 2013 update has been used for NOx, NO2, PM10, PM10d and PM2.5.   All boroughs can download the following files:   Excel Tools - These tools are currently under construction and will be available...

The new bespoke borough packages provide a set of maps, data and graphs in order to facilitate the usability of LAEI 2013 data. Modelling and emission data from the LAEI 2013 has been used for NOx, NO2, PM10 and PM2.5. All boroughs can download the following files: Excel Tools LLAQM Source Apportionment, providing emissions...