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Index Banded Annual Totals for Swansea:
LOW
89 days
MODERATE
68 days
HIGH
1 day
VERY HIGH
13 days

Exceedences

Hourly SO2 Exceedences
Total period : 20/06/2017 22:00 - 20/06/2018 22:00
Integration time : 1.0 Hours, Observation limit :1
  Swansea AURN Morriston Morfa St Thomas
  [] [ppb] [ppb] [ug/m3]
Mean 2.29
Max 46.85
Sdv 0.04
Coverage (%) 0.00 0.00 0.00 94.87
Geom. mean 1.66
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 05/04/2018
Time of max 00:00:00
Perc:99.7 % 28.24
Perc:99.7 % 28.24


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



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