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Index Banded Annual Totals for Swansea:
LOW
72 days
MODERATE
26 days
HIGH
4 days
VERY HIGH
7 days

Exceedences

Benzene Exceedences
Total period : 18/04/2020 00:00 - 18/04/2021 24:00
Integration time : 24.0 Hours, Observation limit :1
  Hafod DOAS St Thomas DOAS
  [ug/m3] [g/m3]
Mean 6.21 4.44
Max 61.78 11.69
Sdv 0.56 0.15
Geom. mean 3.27 3.74
Date of max 02/06/2020 22/02/2021
Time of max 00:00:00 00:00:00


All data supplied are non-validated and for information only.



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