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2011 | Ziebach, South Dakota | Air pollution-particulate matter days

Summary Information

Range in South Dakota
(Min-Max):		 0-2
Overall in South Dakota: 0
National Benchmark: 0 (90th percentile)

Ranking Methodology

Summary Measure: Health Factors - Physical Environment (Air Quality)
Weight in Health Factors: 2.5%
Years of Data Used: 2006
Map ↓
The counties are shaded with lighter counties having a better rank. Gray counties are not reported (NR).
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The air pollution—particulate matter measure represents the annual number of days that air quality was unhealthy for sensitive populations due to fine particulate matter (FPM, < 2.5 µm in diameter).

The Public Health Air Surveillance Evaluation (PHASE) project, a collaborative effort between the Centers for Disease Control and Prevention (CDC) and the EPA, used Community Multi-Scale Air Quality Model (CMAQ) output and air quality monitor data to create a spatial-temporal model that estimated fine particulate matter concentrations throughout the year. The PHASE estimates were used to calculate the number of days per year that air quality in a county was unhealthy for sensitive population due to FPM.  The state and national values are an average of county values weighted by population size.


The relationship between elevated air pollution—particularly fine particulate matter and ozone—and compromised health has been well documented. The negative consequences of ambient air pollution include decreased lung function, chronic bronchitis, asthma, and other adverse pulmonary effects.

More Information

Scroll down for details on this measure for all of the counties in this state.

Table ↓
PM Days Number of days in 2006 that air quality was unhealthy due to fine particulate matter
Z-Score (Measure - Average of SD counties)/(Standard Deviation)
PlacePM DaysZ-Score
Aurora0-0.33
Beadle0-0.33
Bennett0-0.33
Bon Homme0-0.33
Brookings0-0.33
Brown0-0.33
Brule0-0.33
Buffalo0-0.33
Butte12.25
Campbell0NR
Charles Mix0-0.33
Clark0-0.33
Clay12.25
Codington0-0.33
Corson0-0.33
Custer0-0.33
Davison0-0.33
Day0-0.33
Deuel0-0.33
Dewey0-0.33
Douglas0-0.33
Edmunds0-0.33
Fall River0-0.33
Faulk0NR
Grant0-0.33
Gregory0-0.33
Haakon0NR
Hamlin0-0.33
Hand0NR
Hanson0-0.33
Harding2NR
Hughes0-0.33
Hutchinson0-0.33
Hyde0NR
Jackson0-0.33
Jerauld0-0.33
Jones0NR
Kingsbury0-0.33
Lake0-0.33
Lawrence12.25
Lincoln0-0.33
Lyman0-0.33
Marshall0-0.33
McCook0-0.33
McPherson0-0.33
Meade0-0.33
Mellette0-0.33
Miner0-0.33
Minnehaha0-0.33
Moody0-0.33
Pennington12.25
Perkins^23.00
Potter0-0.33
Roberts0-0.33
Sanborn0NR
Shannon0-0.33
Spink0-0.33
Stanley0NR
Sully0NR
Todd0-0.33
Tripp0-0.33
Turner0-0.33
Union12.25
Walworth0-0.33
Yankton0-0.33
Ziebach1NR

NR in Z-Score column indicates county "not ranked"
^Z-Score was capped at -3.0/3.0 due to population < 20,000