Data about the daily mean concentration of air pollutants, especially those potentially harmful to human health. Data should be available for all air monitoring stations or air monitoring zones in a city.
| Rank | Place | Breakdown | Year | Score | Admin |
|---|---|---|---|---|---|
| 1 | Belo Horizonte |
|
2017 | 100% | |
| 2 | Brasília |
|
2017 | 65% | |
| 5 | Natal |
|
2017 | 0% | |
| 5 | Porto Alegre |
|
2017 | 0% | |
| 3 | Rio de Janeiro |
|
2017 | 60% | |
| 5 | Salvador |
|
2017 | 0% | |
| 4 | São Paulo |
|
2017 | 55% | |
| 5 | Uberlândia |
|
2017 | 0% |