Rank |
City |
Pollution Index |
Exp Pollution Index |
|---|---|---|---|
| San Salvador, El Salvador | 94.2 | 170.9 | |
| Mexico City, Mexico | 83.4 | 148.7 | |
| Tijuana, Mexico | 78.7 | 148.2 | |
| Guadalajara, Mexico | 78.5 | 141.6 | |
| Puerto Vallarta, Mexico | 73.3 | 129.5 | |
| Guatemala City, Guatemala | 67.9 | 117.5 | |
| Monterrey, Mexico | 55.7 | 103.3 | |
| San Jose, Costa Rica | 51.5 | 93.8 | |
| Panama City, Panama | 46.8 | 90.2 |