Portland Plume Plotter
Portland incinerator plume
at 06:50 on Mon, 13 Jan 2025
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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: 5.88 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 µg5.88 µg(27%)
Sulphur dioxide3.32 µg1.47 µg(44%)
Carbon monoxide209 µg2.45 µg(1%)
Particulates14.7 µg244 ng(2%)
Hydrogen chloride710 ng293 ng(41%)
VOCs270 ng490 ng(181%)
Hydrogen flouride2.35 µg48.9 ng(2%)
Ammonia820 ng490 ng(60%)
Cadmium and Thallium570 pg979 pg(172%)
Mercury2.8 ng979 pg(35%)
Other metals124 ng14.7 ng(12%)
PAHs980 pg5.14 pg(1%)
Dioxins and furans33 fg2.94 fg(9%)
PCBs129 pg5.14 pg(4%)
Display parameters
Zoom:
+
Area:
Centred
Downwind
Emissions:
Planned
Latest weather data
Wind 4.7 mph (2.1 m/s) from 220°. Cloud cover: 4/10. Temp: 5°C. Pressure: 1040 mb. Data from Bournemouth airport at 06:50.