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Index Banded Annual Totals for Swansea:
LOW
69 days
MODERATE
5 days
HIGH
1 day
VERY HIGH
4 days

Exceedences

Benzene Exceedences
Total period : 19/03/2023 00:00 - 18/03/2024 24:00
Integration time : 24.0 Hours, Observation limit :1
  Hafod DOAS St Thomas DOAS
  [ug/m3] [µg/m3]
Mean 3.28 2.41
Max 16.27 6.81
Sdv 0.06 0.05
Geom. mean 3.07 2.27
Date of max 23/08/2023 19/10/2023
Time of max 00:00:00 00:00:00


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



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