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Index Banded Annual Totals for Swansea:
LOW
239 days
MODERATE
56 days
HIGH
12 days
VERY HIGH
25 days

Current Readings for Swansea AURN: air quality data

Monitoring station: Swansea AURN
Last updated: GMT 28 Nov 2021 03:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NOx 0.00 g/m3 30.22 g/m3 26/11/2021 17:00 
NO 0.00 g/m3 3.75 g/m3 26/11/2021 17:00 
NO2 0.00 g/m3 24.49 g/m3 26/11/2021 17:00 
PM10 0.00 g/m3 18.46 g/m3 26/11/2021 11:00 
PM2.5 0.00 g/m3 984.76 g/m3 26/11/2021 14:00 
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.