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Index Banded Annual Totals for Swansea:
LOW
31 days
MODERATE
11 days
HIGH
5 days
VERY HIGH
6 days

Exceedences

15 Min SO2 Exceedences
Total period : 24/02/2016 00:00 - 22/02/2017 24:00
Integration time : 15.0 Minutes, Observation limit :1
  Swansea AURN Morriston Morfa St Thomas
  [] [ppb] [ppb] [ug/m3]
Mean 1.88
Max 68.39
Sdv 0.02
Coverage (%) 0.00 0.00 0.00 97.34
Geom. mean 0.90
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 27/01/2017
Time of max 02:00:00
Perc:99.9 % 39.71
Perc:99.9 % 39.71


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



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