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Index Banded Annual Totals for Swansea:
LOW
78 days
MODERATE
69 days
HIGH
0 days
VERY HIGH
4 days

Current Readings for Swansea AURN: air quality data

Monitoring station: Swansea AURN
Last updated: GMT 30 May 2020 13:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NOx 12.24 g/m3 50.01 g/m3 29/05/2020 21:00 
NO 1.19 g/m3 11.55 g/m3 29/05/2020 08:00 
NO2 10.43 g/m3 45.71 g/m3 29/05/2020 21:00 
PM10 22.89 g/m3 55.96 g/m3 29/05/2020 08:00 
PM2.5 10.39 g/m3 18.94 g/m3 29/05/2020 21:00 
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.