The phrase "aerosol concentrations" refers to the amount or level of tiny particles suspended in the air. These particles can be things like dust, smoke, pollutants, or even liquid droplets. Full definition
That said, in a trivial and largely irrelevant way, your assertions about how much impact a reduction in aerosol concentrations can have have some truth to them. (realclimate.org)
With that background, we can look at the impact of changing atmospheric aerosol concentrations. (realclimate.org)
The trouble is, previous efforts to understand how global warming affects aerosol concentrations in the air have come to mixed conclusions. (psmag.com)