Implementation Rule for the 1997
8-hour Ozone Standard:
Air Quality Data — 1-hour and 8-hour Ozone Design Values
Note: EPA no longer updates this information, but it may be useful as a reference or resource. See the latest information at the
Ozone Implementation web site
| This page links you to brief summaries of EPA's ozone air quality monitoring data. The
tables contained in the summaries list 1-hour ozone design values for areas and 8-hour ozone
design values for counties. |
| Air Quality Data |
| 1999-2001
(PDF) |
| 1998-2000
(HTM) |
| 1997-1999
(HTM) |
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