Smallest Geography
20 Metre Grid
LAEI 2022 - Borough Air Quality Data for LLAQM
GLA and TFL Air Quality
Updated 19 days ago
Following the release of the latest London Atmospheric Emissions Inventory (LAEI) 2022, additional data has been produced at Borough level, to assist London boroughs with their LLAQM (London Local Air Quality Management) duties. Update May 2026: Emission datasets have been revised for a number of boroughs, following discrepancies identified in the previous update (December 2025). Please refer to the LAEI...
London Atmospheric Emissions Inventory LAEI 2022
GLA and TFL Air Quality
Updated 19 days ago
The LAEI 2022 is the latest version of the London Atmospheric Emissions Inventory and replaces previous versions of the inventory. Update May 2026: Emission datasets have been revised following discrepancies identified in the previous update (December 2025). Please refer to the Summary Note for further details. Emissions estimates of key pollutants (NOx, PM10, PM2.5 and CO2) by source type are...
London Atmospheric Emissions Inventory (LAEI) 2019
GLA and TFL Air Quality
Updated 10 months ago
Update August 2025: The LAEI 2019 has now been superseded. Click here to access the LAEI 2022 data 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...
Infrastructure upgrades
UK Power Networks
Added over 2 years ago
This list provides details of current plans (as stated in the Development Proposals of the last LTDS publication) for the development of UK Power Networks' three licence areas over the next five years. The LTDS is updated twice a year: end of May; and end of November.The plans are subject to change in both their content and timing. All the...
Distribution Network Options Assessment
UK Power Networks
Added over 2 years ago
The DNOA output shows future network constraints, the recommended solution and the current status in the solution progress. It indicates when, where and at what volume flexibility services will be required in the next few years.This dataset will be updated annually by the end of the first quarter each year.You can find out more information about our methodology here: Distribution Network Options Assessment (DNOA) (ukpowernetworks.co.uk)
Embedded Capacity Register
UK Power Networks
Added about 4 years ago
The Embedded Capacity Register (ECR), formerly known as the System Wide Resource Register (SWRR), lists all generation, storage and flexible demand resources where the installed generation capacity, export capacity or the import capacity is greater than or equal to 1MW. More information can be found here: https://www.ukpowernetworks.co.uk/electricity/distribution-energy-resources/the-embedded-capacity-register
London Atmospheric Emissions Inventory (LAEI) 2010 Air Quality Focus Areas
Greater London Authority (GLA)
Updated about 8 years ago
The LAEI 2010 has since been superseded. Click here for the full list of releases. There are 187 Air Quality Focus Areas in the Capital. These are locations that not only exceed the EU annual mean limit value for NO2 but are also locations with high human exposure. The Focus Areas were defined to address concerns raised by boroughs within...
London Atmospheric Emissions Inventory (LAEI) 2008 Concentration Maps
Greater London Authority (GLA)
Updated almost 12 years ago
The LAEI 2008 has since been superseded. Click here for the full list of releases. Concentration Modelling has been produced by the Environmental Research Group, Kings College London, using the LAEI 2008. Pollutant maps for the Greater London area have been produced for the years 2008, 2011 and 2015.Emissions data contained within the LAEI 2008 can also be downloaded from...
London Atmospheric Emissions Inventory (LAEI) 2006 Modelled Annual Mean Concentration NO2 2006 Values
Greater London Authority (GLA)
Updated almost 12 years ago
The LAEI 2006 has since been superseded. Click here for the full list of releases. Modelled NO2 annual mean concentrations in London for the year 2006. Calculations are based on the 2006 London Atmospheric Emissions Inventory (LAEI) and use three different meteorological scenarios (2003, 2004 and 2006).This dataset can be mapped in a Geographic Information System (GIS) using the corresponding...
London Atmospheric Emissions Inventory (LAEI) 2006 Modelled PM10 Exceedance Days 2010 Values
Greater London Authority (GLA)
Updated almost 12 years ago
The LAEI 2006 has since been superseded. Click here for the full list of releases.Modelled PM10 exceedance days in London for the year 2010. Calculations are based on the 2006 London Atmospheric Emissions Inventory (LAEI) and use three different meteorological scenarios (2003, 2004 and 2006).This dataset can be mapped in a Geographic Information System (GIS) using the corresponding 20m grid...












