Percentage of Days with a Good Air Quality Index (County): SAGE Stats

Source: EPA AirData Air Quality Index 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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* Data calculated by dividing by the number of days with recorded Air Quality Index Values. PM10 monitoring started in 1988 and PM2.5 monitoring was phased in between 1999 and 2001. When tracking trends that include PM2.5, the EPA includes years 2000 and later.

Years Available: 1980–2019

Permanent Link: http://data.sagepub.com/sagestats/4138

General Notes: *Median value gives the value for the "average" county for this metric, the 50th percentile of all counties reporting data. **Good is defined as an AQI of 0 through 50. Value calculated by SAGE using total days reported by county. See source for original data.

Source Year

Cycle through available years

SAGE STATS

Percentage of Days with a Good Air Quality Index (County)

Percentage of Days with a Good Air Quality Index (County) (2019)

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