River Levels
River Levels

River Aire at Leeds FAS Knostrop Weir (Downstream)

Current River Level


At 4:00pm, Tuesday 26th September BST
(3:00pm, Tuesday 26th September GMT)

Below normal for this location

Falling, -0.010 from previous measurement at 3:45pm, Tuesday 26th September BST

View upstream gauge levels

Important! The levels for this location are measured relative to sea level, not relative to the riverbed. The levels shown here do not, therefore, necessarily represent the actual depth of the water.

Flood Warning Areas Covering Here

River Aire at Knowsthorpe, Thwaite Gate and Stourton

No current or recent warnings.

Middle River Aire catchment

No current or recent warnings.

Other Nearby Flood Warning Areas

River Aire at Sovereign Street, The Calls and Clarence Dock

No current or recent warnings.

River Aire at Neptune Street - Canal and River Trust car park

No current or recent warnings.

River Aire at Neptune Street

No current or recent warnings.

Seven Day Level Chart

Long Term Level Chart

Darker blue shaded areas on long term data indicate maximum and minimum levels for the date (you may need to zoom in closer to see them).

Long term data may have gaps where the API data was not available.

Download long term data as csv

Note: CSV data will include any outlying values that have been ignored by our graphing system as probably erroneous (eg, because they are ridiculously high compared to the values either side of them). It is your responsibility to filter these out if necessary.

Important! If you are planning to retrieve the csv data automatically, you must read and understand the limitations on the data and its availability.

Location and Technical Data

  • Monitoring Station: Leeds FAS Knostrop Weir
  • Watercourse: River Aire
  • Nearest Town/Village: Leeds Knostrop Weir
  • Local Authority: Leeds
  • Ceremonial County: West Yorkshire
  • Coordinates: 53°46'36"N 1°30'43"W (53.776902,-1.512119)
  • OS Grid: SE3224931286 (432249,431286)
  • Mapcode (Local): GBR BRT.PW
  • Mapcode (Global): WHC9L.RB4D
  • Open Location Code: 9C5WQFGQ+Q5
  • Maidenhead Locator System: IO93fs86
  • Environment Agency Location ID: L1705A
  • Environment Agency Gauge ID: L1705A-level-downstage-i-15_min-mAOD
  • Operational Area: Lower Aire
  • Catchment Area: Aire and Calder
  • UK Hydrometric Area: Ouse (Yorkshire)
  • Environment Agency Region: North East
  • Level Datum: Above Ordnance Datum (AOD)

Please note: Geographic coordinates may reflect the access point for the gauge, and not the precise location in the watercourse that it is taking readings from.

The usual range of the River Aire at Leeds FAS Knostrop Weir (Downstream) is between 21.24m and 24.53m. It has been between these levels for 90% of the time since monitoring began.

The highest level ever recorded at the River Aire at Leeds FAS Knostrop Weir (Downstream) is 23.08m, reached on Sunday 9th February 2020 at 12:00am.

Note that this data may not take account of recent measurements, as we wait until a level has been verified by the Environment Agency before adding it to our records.

Nearby Monitoring Locations

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