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Fourth Highest 8-hour Ozone Measurement (County)

Source: EPA AirData Air Quality Statistics Report, Environmental Protection Agency
Topic: Energy and EnvironmentSubtopic: Pollution and Environment Category: Air Quality Measurements
Product: Local StatsDate Updated: June 2020Update Tips
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    * Although preliminary annual statistics are continually released, SAGE Stats only provides final statistics, which are released in May of the following year. Report includes exceptional events; these events (such as wildfires) are not "reasonably controllable" and are hence excluded from assessments relating to air quality regulation, but they nevertheless affect air quality.

    Years Available: 2000–2019

    Permanent Link: http://data.sagepub.com/sagestats/4030

    General Notes: *Median value shows the 50th percentile of counties reporting data to the AQSData Mart; it is not reflective of the entire country. **Computed by AQS software for each hour of the day as a moving average of eight 1-hour values.

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