3 ms·
Particulate pollutant levels decay exponentially and have a substantial drop off with distance. So levels across a large area (like London) are not the whole s
by 7952 2mo ago
Particulate pollutant levels decay exponentially and have a substantial drop off with distance. So levels across a large area (like London) are not the whole story.
- graemep 2mo agoYes, I am not claiming they are an alternative explanation by themselves, but an example of changes other than the ULEZ.