Hoddesdon Plume Plotter
Hoddesdon incinerator plume
at 05:50 on Thu, 21 Nov 2024
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The map shows the (predicted) current state of pollution from the proposed incinerator at Rattys Lane.

The red line shows wind direction. Green rings show distance (km). Colours show concentration of oxides of nitrogen at ground level. Maximum: 45.7 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
Particulates
Sulphur dioxide
VOCs
Carbon monoxide
Hydrogen chloride
Hydrogen flouride
Ammonia
Cadmium and thallium
Mercury
Other metals
Dioxins and furans
PAHs
PCBs

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

Concentration
per m3
Background
(annual mean)
Plume
Oxides of nitrogen23.5 µg45.7 µg(195%)
Particulates25 µg2.29 µg(9%)
Sulphur dioxide4.6 µg11.4 µg(249%)
VOCs500 ng2.29 µg(458%)
Carbon monoxide33.2 µg11.4 µg(34%)
Hydrogen chloride700 ng2.29 µg(327%)
Hydrogen flouride3 ng229 ng(7632%)
Ammonia1.66 µg2.29 µg(138%)
Cadmium and thallium200 pg11.4 ng(5717%)
Mercury4.4 pg11.4 ng(259848%)
Other metals39.9 ng114 ng(287%)
Dioxins and furans26 fg22.9 fg(88%)
PAHs6 ng229 pg(4%)
PCBs10 pg1.14 ng(11433%)
Display parameters
Zoom:
+
Area:
Centred
Downwind
Emissions:
Planned
Latest weather data
Wind 4.7 mph (2.1 m/s) from 210°. Cloud cover: 0/10. Temp: -2°C. Pressure: 1003 mb. Data from Stansted airport at 05:50.