Hoddesdon incinerator plume at 13:50 on Mon, 23 Sep 2019
Estimated concentration of oxides of nitrogen (μg/m3):

Maximum43
Roydon3.7
Hunsdonbury0.7
Allens Green0.5
Hunsdon Junior Mixed and Infant School0.5
St Elizabeth's School0.5
Thorley Street0.4
South-end0.4
Trims Green0.4
Thorley0.4
Bishops Stortford0.4
Hockerill0.3
Green Tye0.3
Birchanger0.3
Duck End0.3
Hunsdon0.3
Gilston Park0.3
Widford0.3
Thorley Houses0.3
Roydon Primary School0.2
Stanstead Abbotts0.2
Spellbrook Primary School0.2
Burton End0.2
Latchmore Bank0.2
Perry Green0.2
Nether Street0.2
Spellbrook0.2
Start Hill0.2
Tilekiln Green0.2

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1g = 1000mg
1mg = 1000μg
1μg = 1000ng
1ng = 1000pg
1pg = 1000fg
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