Not exact matches
Although
ozone pollution is dropping
across many parts of the United States, western Europe and Japan, many people living in those countries still experience more than a dozen days every year in which levels of the lung irritant exceed health - based standards.
Another measure, the federal Cross-State Air
Pollution Rule, will require still more expensive controls on coal plants in the Midwest and South to reduce sulfur dioxide and nitrogen oxide emissions that travel
across state lines, creating
ozone and fine particle
pollution downwind.
Using a computer model that fused air
pollution and atmospheric chemistry data, they estimated what annual average levels of
ozone (a key smog ingredient) and fine particulates smaller than 2.5 microns (PM2.5) were in 2010 within 100 - km - by -100-km grid squares
across the world.
Also, the researchers referred to the US Environmental Protection Agency's Air Quality System which monitors air
pollution levels at different sites
across the US, and levels of
ozone and fine particulate matter on a given day.
The rule upheld today requires power plants in 28 states to clean up nitrogen oxide and sulfur dioxide
pollution that drifts
across state borders and contributes to harmful soot (particles) and smog (
ozone)
pollution in downwind states.
Across Bosnia and Herzegovina, 44,000 years of life are lost each year due to particulate matter, nitrogen dioxide or
ozone pollution.