These are the most polluted cities in the US. How does Arizona stack up?

Metro Phoenix ranked fifth worst in the nation for ozone pollution , which can irritate your lungs, by a recent study. How does it compare to other areas in Arizona and around the United States?

In its annual “State of the Air” report, the American Lung Association measured high ozone days, particle pollution levels over 24-hour periods and particle pollution levels annually.  The report also compares metro areas and counties across the nation.

People across Arizona are not immune to the damaging effects of these pollutants. Ozone, also known as smog, irritates lungs with extensive exposure. Particle pollution can also be dangerous for cardiovascular and respiratory health, the report noted.

Vulnerable populations, such as anyone who experiences respiratory disorders or anything that can otherwise inhibit their breathing, should take heed of daily air quality, which can be found on the AirNow government website.

Pollution in metro Phoenix

Out of the other metropolitan areas nationwide where enough data was collected for measurement, this is how the Phoenix-Mesa area ranked:

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