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Index Banded Annual Totals for Swansea:
LOW
152 days
MODERATE
35 days
HIGH
2 days
VERY HIGH
34 days

Current Readings for Hafod OPSIS DOAS: air quality data

Monitoring station: Hafod OPSIS DOAS
Last updated: GMT 11 Aug 2022 06:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NO 0.00 g/m3 0.00 g/m3 11/08/2022 06:00 
NO2 0.00 g/m3 57.64 g/m3 10/08/2022 07:00 
O3 0.00 g/m3 83.34 g/m3 09/08/2022 16:00 
Benzene 0.00 g/m3 5.47 g/m3 09/08/2022 15:00 
Current Value = The hourly average
Highest Reading = Highest hourly average within the last 24 hour period

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