Air Quality Alert
None

The Maryland Department of the Environment has issued a Code RED Air Quality Alert Friday for Southern Maryland. A Code Red Air Quality Alert means that air pollution concentrations within the region are unhealthy for the general population. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles visit the web site mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/index.aspx

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Air Quality Alert
Until 2026-07-18T00:00:00-04:00 • National Weather Service
The Maryland Department of the Environment has issued a Code RED Air Quality Alert Friday for Southern Maryland. A Code Red Air Quality Alert means that air pollution concentrations within the region are unhealthy for the general population. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles visit the web site mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/index.aspx

ST CLEMENT CREEK NEAR CLEMENTS, MD

Realtime Data • Report • Conditions

3

Discharge (cfs)

-0.6

Gauge Height (ft)

USGS 01661050

Streamflow discharge was last observed at 2 cfs, and a gauge height of -0.57 feet. With the % decrease since yesterday, the streamflow average over the past 10 days is 17 .

Weather today, Tomorrow,

Clement Creek stream gauge is located in Clements, MD, and provides information on the flow rate of the creek. The creek is fed by various tributaries and is affected by seasonal trends, with higher flow rates in the winter and spring due to increased rainfall and snowmelt. The creek is also impacted by the nearby St. Clements Bay, which is connected via a narrow channel. There are no significant dams on the creek. Interestingly, St. Clement Creek was once home to a thriving oyster industry, but pollution and overfishing have led to a decline in oyster populations. The creek remains an important habitat for various fish species, including striped bass and blue crabs.

July 17, 2026

Elevation	11.0 ft
Last Updated
Gage height, ft	-0.57 ft
Stream water level elevation above NAVD 1988, in ft	4.77 ft
Streamflow, ft³/s	1.89 ft3/s
Percent of Normal	25%
Year Over Year Average	12 cfs
24hr Flow Prediction	cfs
Maximum Recorded	3,830 cfs
Geolocation	38.33, -76.73

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St Clement Creek Near Clements, Md Realtime Data

ST CLEMENT CREEK NEAR CLEMENTS, MD

Realtime Data • Report • Conditions

3

Discharge (cfs)

-0.6

Gauge Height (ft)

July 17, 2026

Seasonal Comparison

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St Clement Creek Near Clements, Md Realtime Data

ST CLEMENT CREEK NEAR CLEMENTS, MD

Realtime Data • Report • Conditions

3

Discharge (cfs)

-0.6

Gauge Height (ft)

July 17, 2026

Seasonal Comparison

Oceanic Nino Index

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