Description
Particulate matter is almost always a mixture of different types of particles. When it is emitted directly, we are talking about primary dust. When it is caused by reactions in the air, we speak of secondary dust. PM2.5 are dust particles smaller than 2.5 μm (=0.0025mm).
Resources
| Name | Format | Description | Link |
|---|---|---|---|
| Evolution of the annual mean concentration of PM2.5 per type area | CSV | Open resource | |
| Evolution of the number of days with a PM2.5 daily mean greater than 25 μg/m3 per type area | CSV | Open resource |