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Index Banded Annual Totals for Swansea:
LOW
254 days
MODERATE
65 days
HIGH
4 days
VERY HIGH
1 day

Current Readings for Swansea AURN: air quality data

Monitoring station: Swansea AURN
Last updated: GMT 20 Nov 2017 19:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NOx 11.02 g/m3 162.69 g/m3 19/11/2017 08:00 
NO 2.90 g/m3 83.39 g/m3 19/11/2017 08:00 
NO2 6.58 g/m3 62.42 g/m3 19/11/2017 19:00 
PM10 21.28 g/m3 32.57 g/m3 19/11/2017 11:00 
PM2.5 10.88 g/m3 22.60 g/m3 19/11/2017 19:00 
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.