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Index Banded Annual Totals for Swansea:
LOW
152 days
MODERATE
35 days
HIGH
2 days
VERY HIGH
34 days

Exceedences

15 Min SO2 Exceedences
Total period : 04/08/2022 09:00 - 11/08/2022 09:00
Integration time : 15.0 Minutes, Observation limit :1
  Swansea AURN Morriston Morfa St Thomas
  [] [ppb] [ppb] [ug/m3]
Mean 2.77
Max 35.06
Sdv 0.14
Coverage (%) 0.00 0.00 0.00 99.26
Geom. mean 1.46
Exceedance Limit 100.00 100.00 100.00 266.00
Exceedance (%) 0.00 0.00 0.00 0.00
Exceedance Count 0 0 0 0
Exceedance (Hours) 0.00 0.00 0.00 0.00
Date of max 07/08/2022
Time of max 09:45:00
Perc:99.9 % 26.74
Perc:99.9 % 26.74


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



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