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Index Banded Annual Totals for Swansea:
LOW
158 days
MODERATE
41 days
HIGH
1 day
VERY HIGH
5 days

Exceedences

Nitrogen Dioxide Exceedences
Total period : 17/07/2024 07:00 - 24/07/2024 07:00
Integration time : 1.0 Hours, Observation limit :1
  Swansea AURN Morriston Morfa Hafod DOAS St Thomas DOAS
  [ppb] [ppb] [ppb] [ug/m3] [ug/m3]
Mean
Max
Sdv
Geom. mean
Exceedance Limit 105.00 105.00 105.00 200.00 200.00
Exceedance (%) 0.00 0.00 0.00 0.00 0.00
Exceedance Count 0 0 0 0 0
Exceedance (Hours) 0.00 0.00 0.00 0.00 0.00
Date of max
Time of max
Perc:99.8 %


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



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