The issue is quite simple to observe and quite frequent.

Solutions will need to be invented because it seem to bother the locals but it is also an important source of activity.

any water streams and sources are used for agriculture
very big scale
Most of the trees will be cut to feed multiple fires
earth will follow the water streams and all fertile elements
intensify the exploitations to make more profits
make as many improvised businesses
this landscape has everything: no more trees, agricultural chaos, stone making activity of the eart that flow in the river
burn the fields to cultivate
with the night he air becomes cooler and reacts to the particles
the polluted air ends up in the overheated streets
The more you add stuff in the air, the less the blue light can travel. A stuffed air then turns red. It’s more obvious on sunrises and sunset.