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Index Banded Annual Totals for Swansea:
LOW
17 days
MODERATE
1 day
HIGH
0 days
VERY HIGH
0 days

Current Readings for St Thomas DOAS: air quality data

Monitoring station: St Thomas DOAS
Last updated: GMT 18 Jan 2019 16:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NO2 14.58 g/m3 105.30 g/m3 17/01/2019 17:00 
SO2 1.69 g/m3 19.46 g/m3 18/01/2019 03:00 
O3 78.86 g/m3 79.63 g/m3 17/01/2019 13:00 
Benzene 0.00 g/m3 7.28 g/m3 18/01/2019 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.