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Index Banded Annual Totals for Swansea:
LOW
42 days
MODERATE
5 days
HIGH
0 days
VERY HIGH
4 days

Current Readings for St Thomas DOAS: air quality data

Monitoring station: St Thomas DOAS
Last updated: GMT 20 Feb 2024 06:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NO2 6.38 g/m3 12.67 g/m3 20/02/2024 05:00 
SO2 0.00 g/m3 0.00 g/m3 20/02/2024 01:00 
O3 79.16 g/m3 80.51 g/m3 20/02/2024 04:00 
Benzene 2.21 g/m3 2.21 g/m3 20/02/2024 06:00 
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.