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Index Banded Annual Totals for Swansea:
LOW
42 days
MODERATE
25 days
HIGH
6 days
VERY HIGH
8 days

Current Readings for Cwm Level Park Ozone and NOx: air quality data

Monitoring station: Cwm Level Park Ozone and NOx
Last updated: GMT 22 Mar 2017 22:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NOx 58.06 g/m3 111.83 g/m3 22/03/2017 21:00 
NO 16.56 g/m3 40.06 g/m3 22/03/2017 21:00 
NO2 32.76 g/m3 57.87 g/m3 22/03/2017 08:00 
O3 1.55 g/m3 94.05 g/m3 21/03/2017 10:00 
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.