101
The world has probably passed “peak air pollution”, except ammonia mostly produced from agriculture
(slrpnk.net)
Link: https://ourworldindata.org/data-insights/the-world-has-probably-passed-peak-air-pollution
Edit: Missed my whole point of posting this specifically in the vegan sub lol, but I'm glad at least you found it as something positive.
On the contrary.
SO2 is like a handbrake on CO2.
Radiative forcing
In a way, air pollution is "good" for the climate - not for the biosphere though.