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Index Banded Annual Totals for Swansea:
LOW
209 days
MODERATE
57 days
HIGH
2 days
VERY HIGH
0 days

Exceedences

15 Min SO2 Exceedences
Total period : 25/09/2016 09:00 - 25/09/2017 09:00
Integration time : 15.0 Minutes, Observation limit :1
  Swansea AURN Morriston Morfa St Thomas
  [] [ppb] [ppb] [ug/m3]
Mean 1.91
Max 126.99
Sdv 0.02
Coverage (%) 0.00 0.00 0.00 97.22
Geom. mean 1.07
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 18/06/2017
Time of max 11:00:00
Perc:99.9 % 42.29
Perc:99.9 % 42.29


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



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