A CUIDAR NUESTRO AIRE!

1. facebook.com/groups/pulmonurbanomexicali//

2. IQAIR. 2018. 2018 World Air Quality Report. En iqair.com/us/blog/air-quality/2018-s-global-air-quality-status

3. IQAIR. 2019. 2019 World Air Quality Report. En www.iqair.com/us/newsroom/air-pollution-cities-worst-best 

4. Celorio, Víctor. 2020. Elementos Tóxicos Recogidos del Aire De Mexicali . En pulmonurbano.com/index.php/mexicali/120-elementos-encontrados-en-el-aire-de-mexicali