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Index Banded Annual Totals for Swansea:
LOW
121 days
MODERATE
52 days
HIGH
1 day
VERY HIGH
0 days

Exceedences

24 Hr Mean SO2 Exceedences
Total period : 22/06/2016 00:00 - 22/06/2017 24:00
Integration time : 24.0 Hours, Observation limit :1
  Swansea AURN Morriston Morfa St Thomas
  [] [ppb] [ppb] [ug/m3]
Mean 1.77
Max 15.29
Sdv 0.11
Coverage (%) 0.00 0.00 0.00 98.36
Observations 0 0 0 360
Geom. mean 1.12
Exceedance Limit 47.00 47.00 47.00 125.00
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
Perc:99 % 9.69
Perc:99 % 9.69


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



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