One rule established tough new limits on ground-level ozone, a major contributor to urban smog.
The data measures ground-level concentrations of ozone, a chemical that forms smog.
One downside of the AirGenius5: the electrostatic charge produces trace amounts of ozone, a respiratory irritant.
One consequence of inflammation is the production of ozone, a highly reactive form of oxygen.
Researchers in India suggest that the use of fireworks can cause the localized formation of ozone, a greenhouse gas.
Instead, I get a healthy blast of ocean ozone, a rush of blood to the head and lope off to the left, deciding vaguely to circumnavigate the island.
On Monday, readings of ozone, a primary ingredient in smog, were so high that residents in some neighborhoods were advised to stay indoors.
Is it a fungus, a miasma, an electrical disturbance, a deficiency of ozone, a morbid off-scouring of the intestinal canal?
Thus, the noxious combination of pollution from smokestacks and tailpipes causes smog, also known as ozone, a kind of toxic soup, Mr. Martin said.
In 1997, for instance, the E.P.A. moved to reduce surface ozone, a form of pollution caused, in part, by emissions from oil refineries.
But sulfate particles also affect chlorine in the atmosphere, converting it to a form that destroys ozone, a gas that shields the earth from some harmful solar radiation.
