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Index Banded Annual Totals for Swansea:
LOW
16 days
MODERATE
7 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 2020 04:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NO2 27.71 g/m3 120.61 g/m3 21/01/2020 18:00 
SO2 3.07 g/m3 9.05 g/m3 21/01/2020 10:00 
O3 54.48 g/m3 77.58 g/m3 22/01/2020 08:00 
Benzene 1.02 g/m3 3.41 g/m3 22/01/2020 22:00 
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.