Air Quality Alert
None

The Pennsylvania Department of Environmental Protection has issued a Code Orange Air Quality Alert for Sunday July 19th for the following counties in western Pennsylvania: Allegheny, Beaver, Butler, Lawrence, Mercer, Armstrong, Indiana, Westmoreland, Washington, Greene, and Fayette. A code ORANGE air quality alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children, the elderly, and people suffering from asthma, heart disease, or other lung diseases. The effects of air pollution can be minimized by avoiding outdoor exercise or strenuous activity. For more information on ground-level ozone and fine particles, visit http://www.airnow.gov and https://www.ahs.dep.pa.gov/AQPartnersWeb/

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Pennsylvania

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Air Quality Alert
Until 2026-07-20T03:15:00-04:00 • National Weather Service
The Pennsylvania Department of Environmental Protection has issued a Code Orange Air Quality Alert for Sunday July 19th for the following counties in western Pennsylvania: Allegheny, Beaver, Butler, Lawrence, Mercer, Armstrong, Indiana, Westmoreland, Washington, Greene, and Fayette. A code ORANGE air quality alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children, the elderly, and people suffering from asthma, heart disease, or other lung diseases. The effects of air pollution can be minimized by avoiding outdoor exercise or strenuous activity. For more information on ground-level ozone and fine particles, visit http://www.airnow.gov and https://www.ahs.dep.pa.gov/AQPartnersWeb/

LOYALHANNA CREEK AT LOYALHANNA DAM, PA

Realtime Data • Report • Conditions

116

Discharge (cfs)

0.9

Gauge Height (ft)

USGS 03047000

Streamflow discharge was last observed at 116 cfs, and a gauge height of 0.94 feet. With the % decrease since yesterday, the streamflow average over the past 10 days is 292 .

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The main constituents of the watershed include forests, farmland, and urban areas. Seasonally, the streamflow tends to be highest in late winter and early spring due to snowmelt, and lowest in late summer and early fall. One interesting fact about the hydrology of the Loyalhanna Creek is that it was once used for transportation of goods and people during the early settlement of the region. Overall, the Loyalhanna Creek streamgauge provides valuable information for monitoring and managing this important watershed.

July 19, 2026

Elevation	865.0 ft
Last Updated
Gage height, ft	0.94 ft
Stream water level elevation above NAVD 1988, in ft	871.12 ft
Temperature, water, °C	25.8 deg C
Streamflow, ft³/s	116.0 ft3/s
Percent of Normal	60%
Year Over Year Average	196 cfs
24hr Flow Prediction	cfs
Maximum Recorded	4,940 cfs
Geolocation	40.46, -79.45

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Loyalhanna Creek At Loyalhanna Dam, Pa Realtime Data

LOYALHANNA CREEK AT LOYALHANNA DAM, PA

Realtime Data • Report • Conditions

116

Discharge (cfs)

0.9

Gauge Height (ft)

July 19, 2026

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Loyalhanna Creek At Loyalhanna Dam, Pa Realtime Data

LOYALHANNA CREEK AT LOYALHANNA DAM, PA

Realtime Data • Report • Conditions

116

Discharge (cfs)

0.9

Gauge Height (ft)

July 19, 2026

Seasonal Comparison

Oceanic Nino Index

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