Reference Source

st-louis-mo-il-serious · MISSOURI · St. Louis County · 8-Hour Ozone (2015)

What is the pollutant / naaqs for st-louis-mo-il-serious · MISSOURI · St. Louis County · 8-Hour Ozone (2015)?

For st-louis-mo-il-serious · MISSOURI · St. Louis County · 8-Hour Ozone (2015), pollutant / naaqs is 8-Hour Ozone (2015); nonattainment area name is St. Louis, MO-IL - (Serious); county or area is St. Louis County; state is MISSOURI; data current as of is August 31, 2026, recorded from its source on 2026-08-31.

St. Louis County | 8-Hour Ozone (2015) | | St. Louis, MO-IL - (Serious)

www3.epa.gov, retrieved 2026-08-31

Row ID
st-louis-mo-il-serious our reading
State
MISSOURI our reading
County or area
St. Louis County verified
Pollutant / NAAQS
8-Hour Ozone (2015) verified
Nonattainment area name
St. Louis, MO-IL - (Serious) verified
Data current as of
August 31, 2026 verified
Sourcewww3.epa.gov
Verified
Review by
DatasetCurrent EPA nonattainment county designations by pollutant

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.