Sheffield incinerator plume at 05:36 on Wed, 21 Nov 2018
Estimated concentration of oxides of nitrogen (μg/m3):

Low Bradfield1.1
Stacey Bank1
Walkley Primary School0.6
Malin Bridge0.4
Forge Valley School0.4
Malin Bridge Primary School0.3
Wisewood Community Primary School0.3
High Bradfield0.3
St Mary's Primary School0.2
Rivelin Primary School0.2
Shooter's Grove Primary School0.2

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The map shows the distribution of pollution. The key below shows the concentration of oxides of nitrogen at each location.
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Maximum pollution in the map area is shown on right, with amount of oxides of nitrogen.
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1g = 1000mg
1mg = 1000μg
1μg = 1000ng
1ng = 1000pg
1pg = 1000fg