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Index Banded Annual Totals for Swansea:
LOW
59 days
MODERATE
53 days
HIGH
1 day
VERY HIGH
0 days

Exceedences

15 Min SO2 Exceedences
Total period : 16/04/2019 10:00 - 23/04/2019 10:00
Integration time : 15.0 Minutes, Observation limit :1
  Swansea AURN Morriston Morfa St Thomas
  [] [ppb] [ppb] [ug/m3]
Mean 3.26
Max 48.40
Sdv 0.19
Coverage (%) 0.00 0.00 0.00 99.40
Geom. mean 2.28
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 22/04/2019
Time of max 09:15:00
Perc:99.9 % 48.03
Perc:99.9 % 48.03


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



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