ozone1 {aqfig}

Daily maximum ozone concentrations

Description

This data set gives the daily maximum ozone concentrations (in ppb) observed at a subset of 23 Clean Air Status and Trends Network (CASTNET) monitoring sites on August 9, 2004.

Usage

ozone1

Format

A file in CSV format containing 23 records.

Source

Hourly ozone data at CASTNET sites can be obtained from EPA's Clean Air Status and Trends Network program at http://www.epa.gov/castnet. Thanks to Steven Howard for his help collating and summarizing these hourly data.