Alton Plume Plotter
Alton incinerator plume
at 17:50 on Fri, 09 Dec 2022
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The map shows the (predicted) current state of pollution from the proposed incinerator at A31, near Froyle.

The red line shows wind direction. Green rings show distance (km). Colours show concentration of oxides of nitrogen at ground level. Maximum: 356 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
PAHs
Dioxins and furans
PCBs

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

Concentration
per m3
Background
(annual mean)
Plume
Oxides of nitrogen14.8 µg356 ng(2%)
Sulphur dioxide4.93 µg88.9 ng(2%)
Carbon monoxide255 µg148 ng(0%)
Particulates15.1 µg14.9 ng(0%)
Hydrogen chloride710 ng17.8 ng(3%)
TOC310 ng29.6 ng(10%)
Hydrogen flouride2.35 µg2.96 ng(0%)
Ammonia2.49 µg29.6 ng(1%)
Cadmium and thallium190 pg59.3 pg(31%)
Mercury1.51 ng59.3 pg(4%)
Other metals24.9 ng890 pg(4%)
PAHs160 pg311 fg(0%)
Dioxins and furans33 fg0.178 fg(1%)
PCBs127 pg14.8 pg(12%)
Display parameters
Zoom:
+
Area:
Centred
Downwind
Emissions:
Planned
Latest weather data
Wind 4.7 mph (2.1 m/s) from 250°. Cloud cover: 0/10. Temp: 0°C. Pressure: 1008 mb. Data from Odiham airport at 17:50.