When it is foggy, the wind is zero, so the airmass is stationary, so air pollution can increase fog density. So, first off, if you live near a source of air pollution, you will notice it way more when it is foggy. If you walk in LA on a very brown, hazy day, you will smell chemicals.
When it is foggy, the wind is zero, so the airmass is stationary, so air pollution can increase fog density. So, first off, if you live near a source of air pollution, you will notice it way more when it is foggy. If you walk in LA on a very brown, hazy day, you will smell chemicals.