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Index Banded Annual Totals for Swansea:
LOW
65 days
MODERATE
73 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 19 May 2019 20:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NOx 3.96 g/m3 48.12 g/m3 18/05/2019 06:00 
NO 0.47 g/m3 17.00 g/m3 18/05/2019 06:00 
NO2 3.25 g/m3 28.98 g/m3 18/05/2019 21:00 
O3 66.25 g/m3 93.40 g/m3 18/05/2019 13:00 
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.