| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 2780 | 
                                    
                                    68.5%
                                 | 
| 2 | Seldom | 376 | 
                                    
                                    9.3%
                                 | 
| 3 | Some times | 724 | 
                                    
                                    17.9%
                                 | 
| 4 | Very often | 176 | 
                                    
                                    4.3%
                                 | 
| 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 | 
| Particles light enough to be suspended in the air. | Dust |