http://www.theguardian.com/environment/shortcuts/2016/feb/23/air-fresheners-joss-sticks-deodorants-other-killers
Report:
https://www.rcplondon.ac.uk/projects/outputs/every-breath-we-take-lifelong-impact-air-pollution
Medidores da qualidade do ar portátil (e app móvel):
https://our.clean.space/