Hirwaun incinerator plume at 03:20 on Thu, 26 May 2022
This shows the (predicted) current state of pollution from the proposed incinerator at Fifth Avenue, Hirwaun Industrial Estate.
The red line shows wind direction. Green rings show distance (km). The overlay shows concentration of oxides of nitrogen at ground level. Maximum:
877 ng/m3
.
DETAILS

Green=background, red=added by plume
histogram
Wind direction:
270 degrees

Wind speed:
15 mph
=
6.7 m/s

Cloud cover:
10/10

Temp:
13 °C   
Pressure:
1020 mb

Zoom: - +
Centred Downwind
Min-Max: - μg Auto
Show: Pollution Terrain
Emissions: Planned
  
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map
Wind direction
Plume

Weather data from
Cardiff airport
The map shows the distribution of pollution. The key below shows the concentration of oxides of nitrogen at each location.
Pointing mouse at DETAILS shows concentration of all pollutants, using "official" emission rates from the incinerator application.
Clicking on DETAILS shows concentration of all pollutants in more detail in a new window.
Maximum pollution in the map area is shown on right, with amount of oxides of nitrogen.
Weather information is obtained automatically.
Auto display shows values from 1%-100% of the maximum, using full range of colours.
Show using new settings or revert to default settings.
SNAPSHOT produces snapshot of current plume plot as a single image file.
Weather information is updated every few minutes. Click show to update.
1g = 1000mg
1mg = 1000μg
1μg = 1000ng
1ng = 1000pg
1pg = 1000fg
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