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It contains a high concentration of ozone (O 3) in relation to other parts of the atmosphere, although still small in relation to other gases in the stratosphere. The ozone layer peaks at 8 to 15 parts per million of ozone, [1] while the average ozone concentration in Earth's atmosphere as a whole is about 0.3 parts per million. The ozone layer ...
Ground-level ozone (O 3), also known as surface-level ozone and tropospheric ozone, is a trace gas in the troposphere (the lowest level of the Earth's atmosphere), with an average concentration of 20–30 parts per billion by volume (ppbv), with close to 100 ppbv in polluted areas.
The atmospheric pressure at the top of the stratosphere is roughly 1/1000 the pressure at sea level. It contains the ozone layer, which is the part of Earth's atmosphere that contains relatively high concentrations of that gas. The stratosphere defines a layer in which temperatures rise with increasing altitude.
As ozone levels increase, the number of people affected and the severity of the health effects also increase, the department says. ... particularly during high ozone periods. Air quality can ...
Jul. 1—July will roar in Friday with high temperatures and unhealthy ozone levels, prompting warnings that Mainers take precautions to stay safe and avoid the air pollution. Winds from the south ...
The highest levels of ozone in the atmosphere are in the stratosphere, in a region also known as the ozone layer between about 10 and 50 km above the surface (or between about 6 and 31 miles). However, even in this "layer", the ozone concentrations are only two to eight parts per million, so most of the oxygen there is dioxygen, O 2 , at about ...
The report showed 35 days of high ozone levels in Bernalillo County, and 16 days of high particle concentration. ... With my signature today, NM became the 4th state in the U.S. to adopt these ...
Hospital admissions and respiratory deaths often increase during periods when ozone levels are high. [33] [34] There is a lack of knowledge on the long-term effects of air pollution exposure and the origin of asthma. An experiment was carried out using intense air pollution similar to that of the 1952 Great Smog of London.