Recent research indicates that it is.
Breathing ozone gas causes inflammation in the airway. If someone has Asthma, this is life threatening.
Ozone dissolved in the bloodstream has been linked to converting "good cholesterol" into "bad cholesterol", which can harden arteries and makes the heart pump harder. If you have a bad heart, or a problem with cholesterol, this can be life threatening.
Beyond this, white blood cells make ozone (and other powerful oxidants) when fighting off infection. Waterfalls and lightning make ozone. Ozone is something organisms have been required to deal with, in some quantities, as long as there has been oxygen and life. Some ozone must be present. What is "normal" is the hard question, and probably depends on locale, time of year, and more.
Ozone at the ground level is a pollutant. It makes harder to breathe.
Ozone can be harmful in high concentrations in the air we breathe, as it can irritate the respiratory system and worsen asthma symptoms. However, ozone in the stratosphere is helpful as it serves as a protective layer, shielding the Earth from harmful ultraviolet radiation.
No dangerous rays harm the ozone layer. CFCs (chlorofluorocarbons) harm the ozone layer. The ozone layer actually protects us and theearth from dangerous ultraviolet radiation.
The ozone hole is dangerous and is fatal. It could cause the UV to penetrate the surface of earth.
Yes, ozone hole is dangerous to humans. Ozone hole would lead people expose to UV rays which are harmful.
because it tears open the ozone layer, without ozone we cannot breathe
Ozone is a protective substance at the atmosphere level. It can be dangerous as a pollutant at the level of ground.
because it tears open the ozone layer, without ozone we cannot breathe
Depletion of ozone layer is dangerous. It is because it allows UV rays to enter the earth.
R-12 is dangerous to the ozone layer.
It's cold enough to kill us after a while. The ozone layer, which is high above the Earth's surface, is not dangerous to humans. In fact, it helps protect us from the more harmful effects of the Sun. The Earth would be much more dangerous for humans in the absence of the ozone layer.
Just location. Same chemical compound.