New Report: Las Vegas Ranked 11th Most Ozone Polluted City in the U.S.

American Lung Association “State of the Air” Report reveals residents experienced less ozone days, but still received worse ranking compared to last year.

The 2022 “State of the Air” report, released today by the American Lung Association, finds that Las Vegas rankings were mixed for some of the most harmful and widespread types of air pollution: particle pollution and ozone. Las Vegas experienced fewer unhealthy ozone days but ranked 11th for most ozone days nationally – worse than last year.  

The “State of the Air” report is the Lung Association’s annual air quality “report card” that tracks and grades Americans’ exposure to unhealthy levels of ground-level ozone air pollution (also known as smog), annual particle pollution (also known as soot), and short-term spikes in particle pollution, over a three-year period. This year’s report covers 2018-2020. See the full report at Lung.org/sota.

“The levels of ozone seen in Las Vegas can harm the health of all of our residents, but particularly at risk are children, older adults, pregnant people and those living with chronic disease. Both ozone and particle pollution can cause premature death and other serious health effects such as asthma attacks, cardiovascular damage, and developmental and reproductive harm. Particle pollution can also cause lung cancer,” said Melissa Ramos, Clean Air Advocacy Manager for the Lung Association. “Fortunately, our transportation electrification efforts through Clean Cars Nevada, and recent actions on zero-emission trucking, help us continue to clean up emission sources contributing to ozone formation.”

Ground-level Ozone Pollution in Las Vegas
Compared to the 2021 report, Las Vegas experienced fewer unhealthy days of high ozone in this year’s report. “State of the Air” ranked Las Vegas as the 11th most polluted city for ozone pollution, which is worse compared to their ranking of 12th in last year’s report. The area received an F grade for ozone pollution.

Particle Pollution in Las Vegas
The report also tracked short-term spikes in particle pollution, which can be extremely dangerous and even lethal. Las Vegas’s short-term particle pollution was the worst ever in this year’s report, which means there were more unhealthy days. The area is ranked 31st worst for short-term particle pollution. The 2022 “State of the Air” found that year-round particle pollution levels in Las Vegas were higher than in last year’s report. The area was ranked 32nd most polluted for year-round particle pollution much worse than the ranking of 78th last year.

The report found that nationwide, nearly 9 million more people were impacted by deadly particle pollution than reported last year. It also shows more days with “very unhealthy” and “hazardous” air quality than ever before in the two-decade history of this report. Overall, more than 137 million Americans live in counties that had unhealthy levels of ozone or particle pollution. Communities of color are disproportionately exposed to unhealthy air. The report found that people of color were 61% more likely than white people to live in a county with a failing grade for at least one pollutant, and 3.6 times as likely to live in a county with a failing grade for all three pollutants.

The addition of 2020 data to the 2022 “State of the Air” report gives a first look at air quality trends during the COVID-19 pandemic. Regardless of the shutdowns in early 2020, there was no obvious improvement. 

The American Lung Association is calling on the Biden administration to strengthen the national limits on both short-term and year-round particulate matter air pollution. Stronger standards will educate the public about air pollution levels that threaten their health and drive the cleanup of polluting sources in communities across the country. See the full report results and sign the petition at Lung.org/SOTA.

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