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Index Banded Annual Totals for Swansea:
LOW
174 days
MODERATE
94 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 25 Sep 2018 13:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NO 58.11 g/m3 179.54 g/m3 25/09/2018 07:00 
NO2 33.36 g/m3 76.62 g/m3 24/09/2018 19:00 
O3 62.01 g/m3 70.98 g/m3 23/09/2018 15:00 
Benzene 0.00 g/m3 0.28 g/m3 24/09/2018 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.