Explore London's air pollution and air quality hotspots.

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Global Air Quality Modelling

In association with

TCartaKing's College LondonESA


Percent of the population think that improving air quality should be a priority for government.


Percent of the population admit that they would do more to lead an environmentally friendly lifestyle.


Percent of global consumers feel strongly that companies should help improve the environment.


Years - the average increase in life expectancy in areas where air pollution is low.

Our mission

To provide global air quality data modelling services grounded in innovative analytics to improve real decision making on the health and human impacts of air pollution.

Rapid urbanisation, growing populations, and increasing car ownership mean that over 92% of the global population are experiencing the adverse effects of air pollution.

As a result, sustainability is at the forefront of many minds; with the majority fearing the detrimental impact air quality has on health, home, children and future.

Many consumers are now connecting with companies who care about sustainability and are using their spending power to drive environmental change. A recent survey found that a third of consumers are willing to spend more on an eco-friendly brand, device or model.

In collaboration with King's College London, TCarta has harnessed the power of AI, high resolution satellite data and air pollution modelling to produce highly accurate air pollution maps for cities around the globe. This data will enable corporates, government agencies and consumers alike to achieve their green objectives.

Products and Services

Air quality
Policy planning
Scenario modelling

Outputs Provided

Web-based platforms
Data feeds and API
GIS mapping

Our experts

Dr Sean Beevers
Air Quality Expert
King's College London

Sean is expert in the development of air quality models for human exposure assessment, policy development, health research, as well as the impacts of different climate policies of future air quality.

Sean has 80 air pollution and health publications in peer reviewed journals, and in the last 15 years has worked with Transport for London (TfL) and the Greater London Authority (GLA) on all of London’s air quality policies: including congestion charging, the London Low Emissions Zone and Mayor’s Air Quality Strategy.

In the last 10 years Sean has also worked on research projects for the US Health Effects Institute, Medical Research Council, Natural Environment Research Council, National Centre for Atmospheric Sciences, National Institiute for Health Reseach as well as for numerous public and private sector clients.

Sean advises the UK Department for Environment, Food and Rural Affairs (DEFRA) on the future direction of UK air quality modelling, and represent the UK at the US-UK annual modelling meeting (with the US Environmental Protection Agency), and has advised the UK Department for Transport and Department of Health.

Greg Lewis
Business Manager

Greg is a seasoned management professional with over 15 years experience in the geospatial and remote sensing industry and is leading the full commercialisation of our new air quality service, including Implementation of business models and business plans designed to drive aggressive growth and market share strategies.

Greg has extensive experience in the development of new products and services portfolios, tailored to specific use cases and clients and has worked on a number of award winning geospatial web applications for asset management and visualisation purposes. He has assisted in the formation and execution of business change strategies, helping enable rapid growth and expansion into new markets as part of cultural and business change projects.

Over the last 10 years Greg has also worked on the successful delivery of multiple large scale business change and critical engineering projects under multiyear, multi-million pound framework agreements.