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

Exceedences

Hourly SO2 Exceedences
Total period : 25/09/2016 09:00 - 25/09/2017 09:00
Integration time : 1.0 Hours, Observation limit :1
  Swansea AURN Morriston Morfa St Thomas
  [] [ppb] [ppb] [ug/m3]
Mean 1.91
Max 67.53
Sdv 0.04
Coverage (%) 0.00 0.00 0.00 97.27
Geom. mean 1.10
Exceedance Limit 132.00 132.00 132.00 352.00
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:99.7 % 25.59
Perc:99.7 % 25.59


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



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