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Index Banded Annual Totals for Swansea:
LOW
51 days
MODERATE
29 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 21 Mar 2019 04:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NO2 14.93 g/m3 73.37 g/m3 20/03/2019 07:00 
SO2 1.60 g/m3 1.90 g/m3 19/03/2019 11:00 
O3 78.41 g/m3 104.35 g/m3 20/03/2019 04:00 
Benzene 0.11 g/m3 1.87 g/m3 19/03/2019 09:00 
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.