For comparison a mold count of just 50 000 per cubic meter of air gets an air quality warning.
Mold in the air outside.
Air purifiers with hepa.
The production of mycotoxins is actually the mold s evolutionary defense mechanism against these added chemicals to protect the species.
Before going with the answers you should know that mold can be found anywhere.
So you need to get the way out to clean spores.
As the temperature goes down the air is less able to hold moisture and it condenses on cold surfaces which can encourage mold growth.
Add insulation to cold surfaces such as exterior walls.
The air purifier is the weapon that can kill the molds and can give you a mold free air to breathe.
Mold can get in your home through open doors windows vents and heating and air conditioning systems.
The first and one of the most interesting things in my opinion that i came to understand about outdoor mold spores is the size factor.
Mold in the air outside can also attach itself to clothing shoes and pets can and be carried indoors.
Mold will grow where there is moisture such as around leaks in roofs windows or pipes or where there has been a flood.
When mold spores drop on places where there is excessive moisture such as where leakage may have occurred in roofs pipes walls plant pots or where there has been flooding they will grow.
Now to look at indoor outdoor mold from a more biological perspective.
More than a month of 80 plus degree temperatures high humidity and a weekend of thunderstorms.