Westbury Plume Plotter
Westbury incinerator plume
at 11:50 on Sun, 23 Jun 2024
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The map shows the (predicted) current state of pollution from the proposed incinerator at Stephenson Road.

The red line shows wind direction. Green rings show distance (km). Colours show concentration of oxides of nitrogen at ground level. Maximum: 4.76 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
Sulphur dioxide
Carbon monoxide
Particulates
Hydrogen chloride
TOC
Hydrogen flouride
Ammonia
Cadmium and Thallium
Mercury
Other metals
Dioxins and furans
PAHs
PCBs

Oxides of nitrogen
Sulphur dioxide
Carbon monoxide
Particulates
Hydrogen chloride
TOC
Hydrogen flouride
Ammonia
Cadmium and Thallium
Mercury
Other metals
Dioxins and furans
PAHs
PCBs

Concentration
per m3
Background
(annual mean)
Plume
Oxides of nitrogen13.2 µg4.76 µg(36%)
Sulphur dioxide2.21 µg1.19 µg(54%)
Carbon monoxide266 µg1.98 µg(1%)
Particulates14.9 µg198 ng(1%)
Hydrogen chloride710 ng238 ng(33%)
TOC390 ng396 ng(102%)
Hydrogen flouride2.35 µg39.4 ng(2%)
Ammonia2.93 µg396 ng(14%)
Cadmium and Thallium570 pg793 pg(139%)
Mercury2.8 ng793 pg(28%)
Other metals142 ng11.9 ng(8%)
Dioxins and furans33 fg2.38 fg(7%)
PAHs980 pg4.16 pg(0%)
PCBs129 pg198 pg(154%)
Display parameters
Zoom:
+
Area:
Centred
Downwind
Emissions:
Planned
Latest weather data
Wind 4.7 mph (2.1 m/s) from 260°. Cloud cover: 10/10. Temp: 17°C. Pressure: 1021 mb. Data from Bristol airport at 11:50.