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Index Banded Annual Totals for Swansea:
LOW
239 days
MODERATE
56 days
HIGH
12 days
VERY HIGH
25 days

Exceedences

Benzene Exceedences
Total period : 27/11/2020 00:00 - 27/11/2021 24:00
Integration time : 24.0 Hours, Observation limit :1
  Hafod DOAS St Thomas DOAS
  [ug/m3] [g/m3]
Mean 8.27 4.42
Max 59.32 10.54
Sdv 0.55 0.17
Geom. mean 5.48 3.26
Date of max 09/02/2021 23/12/2020
Time of max 00:00:00 00:00:00


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



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