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Index Banded Annual Totals for Swansea:
LOW
154 days
MODERATE
54 days
HIGH
1 day
VERY HIGH
0 days

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

Monitoring station: Cwm Level Park Ozone and NOx
Last updated: GMT 28 Jul 2017 09:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NOx 1.91 g/m3 7.01 g/m3 27/07/2017 06:00 
NO 0.53 g/m3 1.44 g/m3 27/07/2017 15:00 
NO2 1.09 g/m3 5.58 g/m3 27/07/2017 06:00 
O3 38.90 g/m3 68.45 g/m3 26/07/2017 15:00 
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.