Plymouth Plume Plotter
Plymouth incinerator plume
at 07:00 on Fri, 14 Nov 2025
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The map shows the (predicted) current state of pollution from the incinerator at Devonport.

The red line shows wind direction. Green rings show distance (km). Colours show concentration of oxides of nitrogen at ground level. Maximum: 22.3 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
Particulates PM10
Sulphur dioxide
TOC
Carbon monoxide
Hydrogen chloride
Hydrogen flouride
Cadmium and thallium
Mercury
Dioxins and furans

Oxides of nitrogen
Particulates PM10
Sulphur dioxide
TOC
Carbon monoxide
Hydrogen chloride
Hydrogen flouride
Cadmium and thallium
Mercury
Dioxins and furans

Concentration
per m3
Background
(annual mean)
Plume
Oxides of nitrogen15.3 µg22.3 ng(0%)
Particulates PM1013.3 µg14.1 pg(0%)
Sulphur dioxide7.1 µg2.07 ng(0%)
TOC330 ng51.3 pg(0%)
Carbon monoxide134 µg585 pg(0%)
Hydrogen chloride410 ng1.26 ng(0%)
Hydrogen flouride3 ng24.3 pg(1%)
Ammonia3 ngN/A
Cadmium and thallium90 pg114 fg(0%)
Mercury10 pg388 fg(4%)
Arsenic10 pgN/A
Chromium10 pgN/A
Nickel10 pgN/A
Other metals10 pgN/A
Dioxins and furans8.5 fg0(0%)
PAH8.5 fgN/A
PCBs8.5 fgN/A
Display parameters
Zoom:
+
Area:
Centred
Downwind
Emissions:
Planned
Historical
Latest weather data
Wind 5.8 mph (2.6 m/s) from 90°. Cloud cover: 10/10. Temp: 13.8°C. Pressure: 996 mb. Data from Plymouth Mountbatten at 07:00.