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Index Banded Annual Totals for Swansea:
LOW
17 days
MODERATE
1 day
HIGH
0 days
VERY HIGH
0 days

Current Readings for Hafod OPSIS DOAS: air quality data

Monitoring station: Hafod OPSIS DOAS
Last updated: GMT 18 Jan 2019 16:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NO 0.00 g/m3 0.00 g/m3 18/01/2019 16:00 
NO2 25.74 g/m3 128.72 g/m3 17/01/2019 18:00 
O3 60.22 g/m3 71.49 g/m3 17/01/2019 02:00 
Benzene 0.18 g/m3 3.77 g/m3 18/01/2019 03:00 
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.