Erin Davis/Axios Visuals Air quality in Salt Lake City is getting worse, according to year-over-year data. Why it matters: Long-term exposure to poor air quality is harmful to our health. By the ...

The air quality index measures PM2.5, less than 2.5 microns particles, to determine the intensity of air pollution in cities.

Bryan Johnson’s recent podcast made Nithin Kamath, Zerodha co-founder, realize that air pollution isn't just a problem in ...