Environment

The LAEI 2013 has been superseded. Click here for the full list of releases. The LAEI 2013 was published in 2016. However, due to revised road transport emission factors (COPERT 5) the data has been further updated in April 2017 (see 4.1 and 6.1) Estimates of key pollutants (NOx, PM10, PM2.5 and CO2) are included for the base year...

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...

The LAEI 2010 has since been superseded.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 the...

There are 187 Air Quality Focus Areas in London. 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 the LAQM review process and forecasted air pollution trends. This is not an exhaustive list of London’s...

The LAEI 2010 has since been superseded. Click here for the full list of releases. Estimates of eight key and six subisdary pollutants are included for the base year 2010 and projected forward to 2012, 2015, and 2020. The LAEI area covers the 32 London Boroughs and the City of London and up to the M25 motorway. Due to the size of...

The LAEI 2008 has since been superseded.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 the...

The LAEI 2008 has since been superseded. Click here for the full list of releases. Estimates of eight key and six subsidiary pollutants are included for the base year 2008 and projected forward to 2011 and 2015. The LAEI area covers the 32 London Boroughs and the City of London and up to the M25 motorway. Detailed concentration modelling maps from the...