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Index Banded Annual Totals for Swansea:
LOW
112 days
MODERATE
29 days
HIGH
1 day
VERY HIGH
5 days

Current Readings for St Thomas DOAS: air quality data

Monitoring station: St Thomas DOAS
Last updated: GMT 26 May 2024 14:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NO2 0.00 g/m3 53.46 g/m3 25/05/2024 03:00 
SO2 0.00 g/m3 15.59 g/m3 25/05/2024 02:00 
O3 0.00 g/m3 94.86 g/m3 24/05/2024 16:00 
Benzene 0.00 g/m3 0.64 g/m3 24/05/2024 20:00 
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.