Nearly half of Americans breathe dirty air, report finds

Indian commuters make their way through heavy smog in Amritsar in November 2017

More than 95% of world's population breathe dangerous air, major study finds

The lung association's "State of the Air 2018" report, released Wednesday, gave Sonoma County an A grade for ozone and an A for particle pollution without a single day of pollution exceeding federal standards. "Such high levels of year-round particle pollution mean our citizens also face an increased risk for lung cancer", said Heather Wehrheim, Director of Advocacy for the American Lung Association in Tennessee.

"Despite the recent increase in ozone pollution, the State of the Air 2018 report shows that the Clean Air Act has worked to clean up much of the unsafe air pollution across the nation for decades".

Camden and Chester were among the nation's cleanest counties for particle pollution, with both earning an A.

Some South Carolina cities experienced more unhealthy days of high ozone.

The report found that some SC cities had more days when short-term particle pollution has reached unhealthy levels in 2014-2016. "Everyone deserves to breathe healthy air, and we must do more to protect the air we breathe by upholding and enforcing the Clean Air Act", he said.

Millions of people around the world are also exposed to air pollution in their homes arising from the use of solid fuels (e.g., coal, wood, and dung) for cooking and heating.

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With this report, the Lung Association also calls out Congress and the Environmental Protection Agency (EPA) for ongoing threats to the nation's air quality, including steps to roll back or weaken enforcement of the Clean Air Act. It's created when sunlight reacts with emissions from vehicles and other sources.

The association has provided a report card on air quality for 19 years.

Think you're breathing clean air? "Taken together, air pollution from ambient particulate matter, ambient ozone, and household burning of solid fuels was estimated to contribute to 6.1 million deaths-about 11 percent of the total global deaths in 2016".

The American Lung Association has released the results of its 19th annual "State of the Air" report and Knoxville continues to improve air quality but still is rated low in numerous metrics. Though this winter and spring have seen below-normal temperatures, prior years were among the warmest on record, accounting for more smog year round.

The report named "State of the Air 2018", released Wednesday, covers 2014-2016 data, the most recent data available, and found that eight of the 10 US cities with the worst ozone pollution are in California. This is higher than the 125 million people exposed to air pollution identified in the association's 2017 report, which covers the years between 2013 and 2015.

But while most Utahns are familiar with how these dynamics cause particulate pollution to accumulate in winter inversions, Siler said ozone doesn't seem to be on most residents' radar. Nationwide, the best progress in this year's report came in reducing year-round levels of particle pollution. No unhealthy ozone days were recorded in Montana from 2014 through 2016.

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