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Index Banded Annual Totals for Swansea:
LOW
169 days
MODERATE
96 days
HIGH
1 day
VERY HIGH
5 days

Current Readings for Swansea AURN: air quality data

Monitoring station: Swansea AURN
Last updated: GMT 29 Sep 2020 15:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NOx 25.25 g/m3 146.52 g/m3 28/09/2020 07:00 
NO 8.12 g/m3 65.25 g/m3 28/09/2020 07:00 
NO2 12.82 g/m3 49.08 g/m3 28/09/2020 08:00 
PM10 10.60 g/m3 30.35 g/m3 28/09/2020 11:00 
PM2.5 6.97 g/m3 10.88 g/m3 28/09/2020 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.