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Where I come from it gets freezing cold in the winter and hot with forest fires in the summer. The Pacific Northwest forests because before governments when woods were wild and free would have huge patches of forest burn every year. We've suppressed forest fires now for at least 100 years. So when we do have burns they blow up because of all the dead bracken and trees haven't burned for many, many years. Also forest fires killed diseases and our trees are riddled with disease from lack of seasonal burns.

Sooooo, an underground home with the right ventilation would be protected from forest fires as well.

Off course reddust here in my country is not a real problem but the weather is warm almost all year long temperature is commonly 28 °C and a underground home is a lovely solution

Yeah, an underground home's temperature is when buried under at least 12 feet of dirt does not change even if it's in the hot desert. time-lag-vs-depth.gif

Useful graphic