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Index Banded Annual Totals for Swansea:
LOW
15 days
MODERATE
8 days
HIGH
0 days
VERY HIGH
0 days

Current Readings for St Thomas DOAS: air quality data

Monitoring station: St Thomas DOAS
Last updated: GMT 23 Jan 2018 19:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NO2 19.91 g/m3 92.94 g/m3 22/01/2018 17:00 
SO2 1.74 g/m3 12.71 g/m3 23/01/2018 03:00 
O3 89.75 g/m3 102.53 g/m3 23/01/2018 00:00 
Benzene 2.08 g/m3 7.63 g/m3 23/01/2018 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.