| Value | Category | Cases | |
|---|---|---|---|
| 1 | Industrial activities | 118 |
1.2%
|
| 2 | Burning waste | 394 |
4%
|
| 3 | Transport | 123 |
1.2%
|
| 4 | Construction work | 12 |
0.1%
|
| 5 | Other | 11 |
0.1%
|
| 6 | Smoke from neighbors | 60 |
0.6%
|
| 7 | Electrical generator | 13 |
0.1%
|
| Sysmiss | 9195 |