Según el último informe del Instituto Aire Limpio,
Monterrey
![](https://static.wixstatic.com/media/a4467c_44e96f0fe1e74ded93e5149a93c116d2~mv2.png/v1/fill/w_48,h_48,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/a4467c_44e96f0fe1e74ded93e5149a93c116d2~mv2.png)
Guadalajara
![](https://static.wixstatic.com/media/a4467c_ef48875e760140d6883a15c81fa0353f~mv2.jpg/v1/fill/w_108,h_73,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/a4467c_ef48875e760140d6883a15c81fa0353f~mv2.jpg)
Ciudad de México (México),
![](https://static.wixstatic.com/media/a4467c_01f720126f9947729a08bcfca36956ba~mv2.jpg/v1/fill/w_115,h_74,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/a4467c_01f720126f9947729a08bcfca36956ba~mv2.jpg)
Cochabamba (Bolivia),
![](https://static.wixstatic.com/media/a4467c_a98d5ef7dc70436ebb7ea5fa351f469d~mv2.jpg/v1/fill/w_140,h_85,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/a4467c_a98d5ef7dc70436ebb7ea5fa351f469d~mv2.jpg)
Santiago (Chile),
![](https://static.wixstatic.com/media/a4467c_bf61f32516b64396ba247864369f5e61~mv2.png/v1/fill/w_49,h_32,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/a4467c_bf61f32516b64396ba247864369f5e61~mv2.png)
Lima (Perú),
![](https://static.wixstatic.com/media/a4467c_22ee3739af2e4cc98b8b931aad3656b9~mv2.jpg/v1/fill/w_120,h_68,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/a4467c_22ee3739af2e4cc98b8b931aad3656b9~mv2.jpg)
Bogotá y Medellín (Colombia),
![](https://static.wixstatic.com/media/a4467c_b29ffe3eda6a4717bff8748b811fcff1~mv2.jpg/v1/fill/w_147,h_86,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/a4467c_b29ffe3eda6a4717bff8748b811fcff1~mv2.jpg)
Montevideo (Uruguay)
![](https://static.wixstatic.com/media/a4467c_020e5a3a377d41d7abc76fdc8322879f~mv2.jpeg/v1/fill/w_104,h_70,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/a4467c_020e5a3a377d41d7abc76fdc8322879f~mv2.jpeg)
San Salvador (El Salvador) son las
![](https://static.wixstatic.com/media/a4467c_f685d2b824fd48ab8d90f4e34273528d~mv2.jpg/v1/fill/w_97,h_64,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/a4467c_f685d2b824fd48ab8d90f4e34273528d~mv2.jpg)
En todos ellos, el nivel de contaminación del aire supera las recomendaciones de la Organización Mundial de la Salud.