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Index Banded Annual Totals for Swansea:
LOW
125 days
MODERATE
93 days
HIGH
1 day
VERY HIGH
5 days

Current Readings for Swansea AURN: air quality data

Monitoring station: Swansea AURN
Last updated: GMT 13 Aug 2020 03:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NOx 6.34 g/m3 54.91 g/m3 11/08/2020 21:00 
NO 0.00 g/m3 4.71 g/m3 11/08/2020 05:00 
NO2 7.03 g/m3 54.44 g/m3 11/08/2020 21:00 
PM10 15.84 g/m3 52.73 g/m3 12/08/2020 12:00 
PM2.5 10.39 g/m3 35.29 g/m3 12/08/2020 12:00 
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.