Steuben County, New York received a passing grade from the American Lung Association and was tied for first for cleanest metropolitan areas in the country for 24-hour particle pollution.
According to the study the county received a “B” Ozone Grade and an “A” for Particle Pollution over 24-hours.
From 2006-09 Steuben County averaged about five days with high ozone levels, but since 2010 the county has seen a dramatic drop-off, averaging less than one day a year with high ozone levels.
Since 2009 the county has had zero days during which they had high particle days.
Schuyler and Chemung County were not included in the study, and Tioga County, Pennsylvania also received a “B” grade.