| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 2485 |
61.3%
|
| 2 | Seldom | 314 |
7.7%
|
| 3 | Some times | 986 |
24.3%
|
| 4 | Very often | 271 |
6.7%
|
| var_concept.title | Vocabulary |
|---|---|
| The presence of contaminants or pollutant substances in the air that do not disperse properly and that interfere with human health or welfare. | Air pollution |