Data / Share of days with good air quality (US EPA AQI) / Schuylkill County

Share of days with good air quality (US EPA AQI) in Schuylkill County

Share of days with good air quality (US EPA AQI) in Schuylkill County was 100% in 2007, according to EPA. That is unchanged from 2006.

2007100%
Change on 20060 pts
Series high1001990
Series low1001990

Next release: Tuesday, 13 July 2027, estimated by Invokely from past publication dates (low confidence), not announced by the publisher. Release calendar

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Share of days with good air quality (US EPA AQI) in Schuylkill County, 1990 to 2007

90951001051101990199319961999200220071990: 100 %1991: 100 %1992: 100 %1993: 100 %1994: 100 %1995: 100 %1996: 100 %1997: 100 %1998: 100 %1999: 100 %2000: 100 %2001: 100 %2002: 100 %2003: 100 %2004: 100 %2005: 100 %2006: 100 %2007: 100 %909510010511019901996200220071990: 100 %1991: 100 %1992: 100 %1993: 100 %1994: 100 %1995: 100 %1996: 100 %1997: 100 %1998: 100 %1999: 100 %2000: 100 %2001: 100 %2002: 100 %2003: 100 %2004: 100 %2005: 100 %2006: 100 %2007: 100 %
%. Source: Invokely calculation with data from EPA. Retrieved 2026-10-12, published 2026-07-13.
All 18 values
Period%
2007100
2006100
2005100
2004100
2003100
2002100
2001100
2000100
1999100
1998100
1997100
1996100
1995100
1994100
1993100
1992100
1991100
1990100

Schuylkill County compared with nearby places

Adams County: 39.3 %Allegheny County: 6.8 %Armstrong County: 62.9 %Beaver County: 56.7 %Berks County: 56.4 %Blair County: 86.3 %Bucks County: 69 %Cambria County: 64.9 %Centre County: 41.9 %Chester County: 41.3 %Clearfield County: 74.4 %Cumberland County: 36.5 %Dauphin County: 34.2 %Delaware County: 61.1 %Elk County: 82.3 %Erie County: 48.5 %Franklin County: 57.5 %Greene County: 50.7 %Indiana County: 78.3 %Lackawanna County: 52.6 %Lancaster County: 59.5 %Lawrence County: 81.4 %Lehigh County: 82.5 %Luzerne County: 84.9 %Lycoming County: 74.9 %Mercer County: 36.7 %Monroe County: 81.2 %Montgomery County: 64.9 %Northampton County: 35.9 %Perry County: 82.7 %Philadelphia County: 24.9 %Schuylkill County: 100 %Somerset County: 79.5 %Tioga County: 75.4 %Washington County: 27.9 %Westmoreland County: 62.2 %York County: 55.9 %
  • Under 37
  • 37 to 53
  • 53 to 61
  • 61 to 74
  • 74 to 81
  • 81 and over
  • No data
Share of days with good air quality (US EPA AQI), 2007, %. Schuylkill County is outlined. Same source and period for every area shown. Source: U.S. Environmental Protection Agency. Boundaries: U.S. Census Bureau cartographic boundary files.

Rankings

Definition

Days with a daily Air Quality Index of 0 to 50 (good) as a percentage of the days of the year with an AQI in a US county. Calculated by Invokely from the day counts in the EPA AirData annual summaries; both counts are stored with each value.

United States counties with air quality monitors only, about 1,000 of some 3,100 in recent years; a county without monitors has no value. The number of days with an AQI differs between counties because some monitors run only in the ozone season.

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How to cite

U.S. Environmental Protection Agency, Air Quality System, AirData. EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts. https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Environmental Protection Agency. (2026). EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts (Share of days with good air quality (US EPA AQI), Schuylkill County, 1990 to 2007) [Data set]. Retrieved October 12, 2026, from https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual

MLA 9

EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts, Share of days with good air quality (US EPA AQI), Schuylkill County, 1990 to 2007. U.S. Environmental Protection Agency, 13 July 2026, https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual. Invokely, https://invokely.ai/en/good-air-quality-days-share/schuylkill-county-pennsylvania. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Environmental Protection Agency. 2026. EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts. Share of days with good air quality (US EPA AQI), Schuylkill County, 1990 to 2007. Dataset. Accessed October 12, 2026. https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual. Also distributed by Invokely, https://invokely.ai/en/good-air-quality-days-share/schuylkill-county-pennsylvania.

Harvard

U.S. Environmental Protection Agency (2026) EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts, Share of days with good air quality (US EPA AQI), Schuylkill County, 1990 to 2007 [Dataset]. Available at: https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual, via Invokely: https://invokely.ai/en/good-air-quality-days-share/schuylkill-county-pennsylvania (Accessed: 12 October 2026).

BibTeX
@misc{environmental_share_of_days_with_2007,
  author = {{U.S. Environmental Protection Agency}},
  title = {{EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts: Share of days with good air quality (US EPA AQI), Schuylkill County, 1990 to 2007}},
  year = {2026},
  howpublished = {Data set},
  url = {https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/en/good-air-quality-days-share/schuylkill-county-pennsylvania. Publisher attribution: U.S. Environmental Protection Agency, Air Quality System, AirData. EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts. https://aqs.epa.gov/aqsweb/airdata/download\_files.html\#Annual. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Environmental Protection Agency
TI  - EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts: Share of days with good air quality (US EPA AQI), Schuylkill County, 1990 to 2007
PY  - 2026
DA  - 2026/07/13
PB  - U.S. Environmental Protection Agency
DB  - Invokely
UR  - https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual
L2  - https://invokely.ai/en/good-air-quality-days-share/schuylkill-county-pennsylvania
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/good-air-quality-days-share/schuylkill-county-pennsylvania.
N1  - Publisher attribution: U.S. Environmental Protection Agency, Air Quality System, AirData. EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts. https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual. Retrieved 2026-10-12.
ER  -
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Questions

What is the share of days with good air quality (US EPA AQI) in Schuylkill County?

Share of days with good air quality (US EPA AQI) in Schuylkill County was 100% in 2007, according to EPA. That is unchanged from 2006.

Where does this figure come from?

U.S. Environmental Protection Agency. EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts. Retrieved by Invokely on 2026-10-12.

What was the highest share of days with good air quality (US EPA AQI) in Schuylkill County?

100% in 1990, the highest value since 1990 in this series.

Related statistics for Schuylkill County

All statistics for Schuylkill County | Schuylkill County in figures