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Index Banded Annual Totals for Swansea:
LOW
82 days
MODERATE
44 days
HIGH
11 days
VERY HIGH
8 days

Current Readings for St Thomas DOAS: air quality data

Monitoring station: St Thomas DOAS
Last updated: GMT 25 May 2017 07:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NO2 0.00 g/m3 88.87 g/m3 24/05/2017 19:00 
SO2 0.00 g/m3 6.09 g/m3 24/05/2017 20:00 
O3 0.00 g/m3 51.31 g/m3 24/05/2017 16:00 
Benzene 0.00 g/m3 3.61 g/m3 24/05/2017 20:00 
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.