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AEUS71 KPBZ 032030
AQIPBZ

Air Quality Forecast
Pennsylvania Department of Environmental Protection
Relayed by National Weather Service Pittsburgh PA
430 PM EDT Fri Oct 3 2025

Air quality forecasts for Pennsylvania are provided by the
Pennsylvania Department of Environmental Protection.

PAZ014-020>022-029-073>076-042000-
Allegheny-Butler-Beaver-Armstrong-Washington-Westmoreland-Fayette-
430 PM EDT Fri Oct 3 2025

The forecast for Saturday in Pittsburgh is code YELLOW, which
is moderate, and means that people unusually sensitive to air
pollution may be mildly affected. The primary pollutant will be
fine particles.

For more information on ground-level ozone and
fine particles, visit http://www.airnow.gov and
https://www.ahs.dep.pa.gov/AQPartnersWeb/

$$

PAZ021-042000-
Allegheny-
430 PM EDT Fri Oct 3 2025

The forecast for Saturday in Liberty-Clairton Area is code YELLOW,
which is moderate, and means that people unusually sensitive to
air pollution may be mildly affected. The primary pollutant will
be fine particles.

For more information on ground-level ozone and
fine particles, visit http://www.airnow.gov and
https://www.ahs.dep.pa.gov/AQPartnersWeb/

$$

PAZ077-078-042000-
Indiana-Higher Elevations of Indiana-
430 PM EDT Fri Oct 3 2025

The forecast for Saturday in Indiana County is code GREEN, which
is good, and means little or no health risk. The primary pollutant
will be fine particles.

For more information on ground-level ozone and
fine particles, visit http://www.airnow.gov and
https://www.ahs.dep.pa.gov/AQPartnersWeb/

$$

PAZ007-042000-
Mercer-
430 PM EDT Fri Oct 3 2025

The forecast for Saturday in Mercer County is code YELLOW, which
is moderate, and means that people unusually sensitive to air
pollution may be mildly affected. The primary pollutant will be
fine particles.

For more information on ground-level ozone and
fine particles, visit http://www.airnow.gov and
https://www.ahs.dep.pa.gov/AQPartnersWeb/

$$