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Index Banded Annual Totals for Swansea:
LOW
74 days
MODERATE
65 days
HIGH
1 day
VERY HIGH
4 days

Current Readings for Hafod OPSIS DOAS: air quality data

Monitoring station: Hafod OPSIS DOAS
Last updated: GMT 24 May 2018 21:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NO 0.00 g/m3 85.52 g/m3 24/05/2018 15:00 
NO2 0.00 g/m3 99.04 g/m3 23/05/2018 19:00 
O3 0.00 g/m3 96.13 g/m3 23/05/2018 16:00 
Benzene 0.00 g/m3 1.07 g/m3 23/05/2018 14:00 
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.