Font size too small?   Increase Font size | Decrease font size | See other Accessibility Options.
Index Banded Annual Totals for Swansea:
LOW
98 days
MODERATE
88 days
HIGH
2 days
VERY HIGH
13 days

Current Readings for Hafod OPSIS DOAS: air quality data

Monitoring station: Hafod OPSIS DOAS
Last updated: GMT 20 Jul 2018 16:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NO 0.00 g/m3 20.93 g/m3 19/07/2018 07:00 
NO2 46.61 g/m3 56.38 g/m3 19/07/2018 07:00 
O3 42.16 g/m3 74.11 g/m3 20/07/2018 10:00 
Benzene 0.81 g/m3 1.04 g/m3 20/07/2018 11:00 
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.