Westbury Plume Plotter
Westbury incinerator plume
at 22:20 on Mon, 08 Aug 2022
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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: 14.1 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 µg14.1 µg(107%)
Sulphur dioxide2.21 µg3.53 µg(160%)
Carbon monoxide266 µg5.89 µg(2%)
Particulates14.9 µg589 ng(4%)
Hydrogen chloride710 ng706 ng(99%)
TOC390 ng1.18 µg(302%)
Hydrogen flouride2.35 µg117 ng(5%)
Ammonia2.93 µg1.18 µg(40%)
Cadmium and Thallium570 pg2.36 ng(413%)
Mercury2.8 ng2.36 ng(84%)
Other metals142 ng35.3 ng(25%)
Dioxins and furans33 fg7.06 fg(21%)
PAHs980 pg12.4 pg(1%)
PCBs129 pg589 pg(457%)
Display parameters
Zoom:
+
Area:
Centred
Downwind
Emissions:
Planned
Latest weather data
Wind 5.8 mph (2.6 m/s) from 290°. Cloud cover: 0/10. Temp: 19°C. Pressure: 1028 mb. Data from Bristol airport at 22:20.