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Index Banded Annual Totals for Swansea:
LOW
16 days
MODERATE
7 days
HIGH
0 days
VERY HIGH
0 days

Current Readings for Hafod OPSIS DOAS: air quality data

Monitoring station: Hafod OPSIS DOAS
Last updated: GMT 23 Jan 2020 02:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NO 0.00 g/m3 0.00 g/m3 23/01/2020 02:00 
NO2 58.98 g/m3 143.39 g/m3 21/01/2020 18:00 
O3 14.89 g/m3 124.64 g/m3 21/01/2020 10:00 
Benzene 0.14 g/m3 0.74 g/m3 21/01/2020 18:00 
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.