The Visigoths invaded Italy under Alaric I and sacked Rome in 410. After the Visigoths sacked Rome, they began settling down, first in southern Gaul and eventually in Spain and Portugal, where they founded the Visigothic Kingdom and maintained a presence from the 5th to the 8th centuries AD.
Hazardous Ozone-Generating Air Purifiers. This page last reviewed March 9, 2015. Not all air-cleaning devices are appropriate for home use â some can be harmful to human health. The ARB recommends that ozone generators, which are air cleaners that intentionally produce ozone, not be used in the home.Ozone is a gas that can cause health problems, including respiratory tract irritation and breathing difficulty (Ozone and Health).he ARB recommends that ozone generators, which are air cleaners that intentionally produce ozone, not be used in the home. Ozone is a gas that can cause health problems, including respiratory tract irritation and breathing difficulty (Ozone and Health).
Summer smog contains pollutants such as a colorless, odorless gas called ozone. Though ozone can be good when it is found in the upper atmosphere, it can be harmful when it occurs at near ground level. Ozone formed in the Earth's lower atmosphere can lead to smog, and can affect your health when you breathe it.mog contains a health-harming pollutant called ozone. Elevated levels of ozone have been shown to cause a variety of negative health effects in the lungs. Smog is most common in big cities; however, even those who live in suburban areas need to be conscious of its dangers.