>>8095880

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5931459/

TSP/PM are Particles (i.e. dust)

Gases are Carbon Monoxide (CO), Sulfur Dioxide (SO2), Nitrous Oxides (NOx) & Volatile Organic Compounds (VOCs).

>>8095790

>>8096147

As a reminder, there was also this post from an anon in bread #9785