Portland Plume Plotter
Portland incinerator plume
at 00:20 on Tue, 28 Mar 2023
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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: 1.36 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 µg1.36 µg(6%)
Sulphur dioxide3.32 µg340 ng(10%)
Carbon monoxide209 µg567 ng(0%)
Particulates14.7 µg56.6 ng(0%)
Hydrogen chloride710 ng67.9 ng(10%)
VOCs270 ng114 ng(42%)
Hydrogen flouride2.35 µg11.3 ng(0%)
Ammonia820 ng114 ng(14%)
Cadmium and Thallium570 pg227 pg(40%)
Mercury2.8 ng227 pg(8%)
Other metals124 ng3.4 ng(3%)
PAHs980 pg1.19 pg(0%)
Dioxins and furans33 fg0.681 fg(2%)
PCBs129 pg1.19 pg(1%)
Display parameters
Zoom:
+
Area:
Centred
Downwind
Emissions:
Planned
Latest weather data
Wind 11.4 mph (5.1 m/s) from 130°. Cloud cover: 4/10. Temp: 8°C. Pressure: 1023 mb. Data from Exeter airport at 00:20.