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Index Banded Annual Totals for Swansea:
LOW
252 days
MODERATE
93 days
HIGH
2 days
VERY HIGH
0 days

Exceedences

24 Hr Mean SO2 Exceedences
Total period : 12/12/2018 00:00 - 12/12/2019 24:00
Integration time : 24.0 Hours, Observation limit :1
  Swansea AURN Morriston Morfa St Thomas
  [] [ppb] [ppb] [ug/m3]
Mean 2.40
Max 14.93
Sdv 0.11
Coverage (%) 0.00 0.00 0.00 100.00
Observations 0 0 0 366
Geom. mean 1.81
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 22/02/2019
Perc:99 % 10.69
Perc:99 % 10.69


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



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