Clean Air Fund
Analysis
Clean Air Fund is a registered charity in England and Wales, based in London. It was registered in June 2019, 7 years ago. Its declared purposes cover the advancement of health or saving of lives, arts/culture/heritage/science and environment/conservation/heritage, which this site groups under health and saving lives. Legally it is a charitable company (Companies House number 11766712). It says it makes grants to organisations, provides services and provides advocacy/advice/information.
In the financial year ending December 2025, Clean Air Fund reported income of £47.6m and spending of £33.0m, leaving 31% of income unspent that year. Across the 5 years on record, from December 2021 to December 2025, income grew from £13.0m to £47.6m (+267%), an average of +38% a year. The sharpest change came in the year to December 2023, when income rose by 123%. Over the whole period it spent 80% of the income it received.
Among 24,651 England and Wales charities whose main cause is health and saving lives and that reported income, Clean Air Fund sits at the 100th percentile: it is one of the largest 1% in its cause. Against every charity in England and Wales with reported income it ranks in the 100th percentile. Charities of a similar size with the same main cause include The Royal College of Physicians of London (£46.3m), The Babraham Institute (£48.0m) and Prostate Cancer UK (£45.5m).
In its latest detailed accounts, income came from charitable activities 98% and investments 1.9%. Charitable activities took 99% of spending and raising funds 0.9%. Grants to other organisations totalled £19.5m. Reserves of £33.0m would cover about 12 months of spending at that rate. It employed 93 people.
Income and spending
Where the income comes from
- Charitable activities 98%
- Investments 1.9%
- Other 0.2%
In the charity's own words
Clean Air Fund brings together philanthropic resources to improve air quality globally. It co-ordinates a collective strategy for air pollution activity, provides grant funding to a multi-national portfolio of clean air programmes, grants funds to research and knowledge-building activities, and provides a means of knowledge sharing and networking between stakeholders.
Similar-sized charities, same cause
| Charity | Location | Income |
|---|---|---|
| The Royal College of Physicians of London | London | £46.3m |
| The Babraham Institute | Cambridge | £48.0m |
| Prostate Cancer UK | London | £45.5m |
| Acis Group Limited | Lincolnshire | £49.6m |