Blog
Notes and analysis from the front lines of air quality science.
Anscombe's quartet for PM2.5
When you see a PM2.5 concentration, does it mean what you think it does? A 12 µg/m³ reading from one source can have a hundred times more particles than the same reading from another source. Why mass alone doesn't tell you what you're breathing.
Not enough room to breathe: air quality philanthropy's funding practice problem
Air pollution kills 8 million people a year. Philanthropic spending on air quality has grown from $9m to $71m since 2015, but the money flows disproportionately to measurement, communication and awareness. Implementation, the slowest and most important part of the work, has been the lowest-funded category throughout. A piece on what the next phase of funding needs to look like.