Portland Plume Plotter
Portland incinerator plume
at 20:20 on Mon, 29 Apr 2024
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Map
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The map shows the (predicted) current state of pollution from the proposed incinerator at Balaclava Bay.

The red line shows wind direction. Green rings show distance (km). Colours show concentration of oxides of nitrogen at ground level. Maximum: 1.14 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
VOCs
Hydrogen flouride
Ammonia
Cadmium and Thallium
Mercury
Other metals
PAHs
Dioxins and furans
PCBs

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

Concentration
per m3
Background
(annual mean)
Plume
Oxides of nitrogen22 µg1.14 µg(5%)
Sulphur dioxide3.32 µg286 ng(9%)
Carbon monoxide209 µg476 ng(0%)
Particulates14.7 µg47.5 ng(0%)
Hydrogen chloride710 ng57 ng(8%)
VOCs270 ng95.3 ng(35%)
Hydrogen flouride2.35 µg9.51 ng(0%)
Ammonia820 ng95.3 ng(12%)
Cadmium and Thallium570 pg190 pg(33%)
Mercury2.8 ng190 pg(7%)
Other metals124 ng2.86 ng(2%)
PAHs980 pg1 pg(0%)
Dioxins and furans33 fg0.571 fg(2%)
PCBs129 pg1 pg(1%)
Display parameters
Zoom:
+
Area:
Centred
Downwind
Emissions:
Planned
Latest weather data
Wind 6.9 mph (3.1 m/s) from 170°. Cloud cover: 2/10. Temp: 12°C. Pressure: 1014 mb. Data from Bournemouth airport at 20:20.