Westbury Plume Plotter
Westbury incinerator plume
at 23:50 on Wed, 24 Apr 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: 736 ng/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 µg736 ng(6%)
Sulphur dioxide2.21 µg184 ng(8%)
Carbon monoxide266 µg307 ng(0%)
Particulates14.9 µg30.7 ng(0%)
Hydrogen chloride710 ng36.8 ng(5%)
TOC390 ng61.3 ng(16%)
Hydrogen flouride2.35 µg6.09 ng(0%)
Ammonia2.93 µg61.3 ng(2%)
Cadmium and Thallium570 pg123 pg(22%)
Mercury2.8 ng123 pg(4%)
Other metals142 ng1.84 ng(1%)
Dioxins and furans33 fg0.368 fg(1%)
PAHs980 pg644 fg(0%)
PCBs129 pg30.7 pg(24%)
Display parameters
Zoom:
+
Area:
Centred
Downwind
Emissions:
Planned
Latest weather data
Wind 5.8 mph (2.6 m/s) from 130°. Cloud cover: 4/10. Temp: 7°C. Pressure: 1012 mb. Data from Bristol airport at 23:50.