| The Heinz Center's State of the Nation's
Ecosystems |
| ecosystem: |
Urban and Suburban Areas |
| indicator Name: |
Air Quality (High Ozone Levels): Air monitoring
stations exceeding 8-hour ozone threshold (0.08 ppm), 1999 |
| page # in printed report: |
188 |
| location on page: |
lower |
| data source: |
U.S. Environmental Protection Agency. Coverage
includes Alaska and Hawaii. Only monitoring stations located in urban/suburban
areas were included in the analysis. |
| notes: |
please see technical notes for further details
on accessing these data from their original this data table comes
from a specific graphic in The State of the Nation's Ecosystems report
(www.heinzctr.org/ecosystems). The size of this dataset makes provision
as an html formatted file impractical. Therefore it may be viewed
or saved as a tab-delimited text file from the link below. |
| units: |
number of exceedances of 8-hour ozone threshold
(see http://www.epa.gov/air/data/index.html
for information on monitors) |