Spray Lysol into the fresh air vent near the bottom of your windshield. This will kill the mildew.
Check your blower motor located under the glove box. Many times mice will build a nest in the blower moter housing and the smell may be from a dead mouse. The moter is easy to remove with just 3 screws holding it in place.
Your septic system could be backed up and that is why you are smelling a foul smell. The best thing to do is to call a septic system business and have them come out and take a look at your septic system, if you think that is what is causing the foul smell.
The term for the movement of a foul smell is "dissemination" or "dispersion."
No, it is not. It has a foul and sharp smell.
foul as in; foul smell: nauseabond, infect, sale foul as in; foul play: jeu deloyal (malveillance)
The most effective way to eliminate a foul smell from a room is to identify and remove the source of the odor, then ventilate the room by opening windows or using fans. Additionally, using air fresheners, baking soda, or vinegar can help neutralize the smell.
your attitude
Common causes of a foul smell in well water include bacteria, sulfur, or decaying organic matter. To remedy this, shock chlorination can be used to disinfect the well and kill bacteria. Installing a water filtration system or aeration system can also help remove sulfur and other contaminants causing the odor. Regular maintenance and testing of the well water can help prevent future issues.
Throw it out?
The foul smell in the air came from the fowl farm down the road.
It doesn't smell foul, it's probably just the water off the road/tiles/floor. It depends where you are. Rain on grass doesn't smell the same as rain on the road...
When it rains, the sewer system may become overwhelmed, causing sewage gases to be pushed back up through the pipes and into your bathroom, creating a foul smell.