Portland Plume Plotter
Portland incinerator plume
at 20:50 on Sun, 25 Feb 2024
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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: 17.1 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
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 µg17.1 µg(78%)
Sulphur dioxide3.32 µg4.28 µg(129%)
Carbon monoxide209 µg7.14 µg(3%)
Particulates14.7 µg713 ng(5%)
Hydrogen chloride710 ng856 ng(120%)
VOCs270 ng1.43 µg(529%)
Hydrogen flouride2.35 µg143 ng(6%)
Ammonia820 ng1.43 µg(174%)
Cadmium and Thallium570 pg2.86 ng(501%)
Mercury2.8 ng2.86 ng(102%)
Other metals124 ng42.9 ng(34%)
PAHs980 pg15 pg(2%)
Dioxins and furans33 fg8.57 fg(26%)
PCBs129 pg15 pg(12%)
Display parameters
Zoom:
+
Area:
Centred
Downwind
Emissions:
Planned
Latest weather data
Wind 15 mph (6.7 m/s) from 50°. Cloud cover: 4/10. Temp: 6°C. Pressure: 990 mb. Data from Bournemouth airport at 20:50.