Swansea Plume Plotter
Swansea incinerator plume
at 06:50 on Sat, 18 May 2024
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The map shows the (predicted) current state of pollution from the proposed incinerator at Clarion Close, Morriston.

The red line shows wind direction. Green rings show distance (km). Colours show concentration of oxides of nitrogen at ground level. Maximum: 9.46 µg/m3. This is the concentration at the location that is most polluted by the plume.

Breakdown of pollutants at most polluted location (green = background, red = added by plume):

Oxides of nitrogen
Particulates
Sulphur dioxide
Carbon monoxide
Hydrogen chloride
VOCs
Cadmium and thallium
Mercury
Other metals
PAHs

Oxides of nitrogen
Particulates
Sulphur dioxide
Carbon monoxide
Hydrogen chloride
VOCs
Cadmium and thallium
Mercury
Other metals
PAHs

Concentration
per m3
Background
(annual mean)
Plume
Oxides of nitrogen12.6 µg9.46 µg(75%)
Particulates12.7 µg470 ng(4%)
Sulphur dioxide3.33 µg2.37 µg(71%)
Carbon monoxide112 µg2.37 µg(2%)
Hydrogen chloride 212 ng470 ng(222%)
Hydrogen fluoride N/A47.3 ng
VOCs450 ng470 ng(105%)
Cadmium and thallium320 pg2.39 ng(746%)
Mercury3.5 ng2.39 ng(68%)
Other metals71 ng23.7 ng(33%)
Dioxins and furansN/A4.73 fg
PAHs400 pg815 fg(0%)
PCBsN/A0.435 fg
Display parameters
Zoom:
+
Area:
Centred
Downwind
Emissions:
Planned
Latest weather data
Wind 4.7 mph (2.1 m/s) from 300°. Cloud cover: 0/10. Temp: 12°C. Pressure: 1013 mb. Data from Cardiff airport at 06:50.