Horsham Plume Plotter
Horsham incinerator plume
at 07:50 on Mon, 22 Dec 2025
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The map shows the predicted pollution caused by the emissions from the proposed incinerator at North Horsham, West Sussex.

The red line shows wind direction. Green rings show distance (km). Colours show concentration of oxides of nitrogen at ground level. Maximum: 700 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
Hydrogen flouride
Cadmium and thallium
Mercury
Other metals
Benzo(a)pyrene
Dioxins and furans
PCBs

Oxides of nitrogen
Sulphur dioxide
Carbon monoxide
Particulates
Hydrogen chloride
Hydrogen flouride
Cadmium and thallium
Mercury
Other metals
Benzo(a)pyrene
Dioxins and furans
PCBs

Concentration
per m3
Background
(annual mean)
Plume
Oxides of nitrogen11.9 µg700 ng(6%)
Sulphur dioxide1.57 µg173 ng(11%)
Carbon monoxide250 µg173 ng(0%)
Particulates24 µg36.1 ng(0%)
Hydrogen chloride390 ng36.1 ng(9%)
Hydrogen flouride2.46 µg3.61 ng(0%)
Cadmium and thallium250 pg144 pg(58%)
Mercury2.47 ng144 pg(6%)
Other metals39.8 ng1.73 ng(4%)
Benzo(a)pyrene230 pg34.7 pg(15%)
Dioxins and furans26.7 fg0.347 fg(1%)
PCBs64.4 pg17.3 pg(27%)
Display parameters
Zoom:
+
Area:
Centred
Downwind
Emissions:
Planned
Latest weather data
Wind 5.8 mph (2.6 m/s) from 70°. Cloud cover: 8/10. Temp: 9°C. Pressure: 1006 mb. Data from London Gatwick airport at 07:50.