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Index Banded Annual Totals for Swansea:
LOW
17 days
MODERATE
1 day
HIGH
0 days
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 18 Jan 2019 16:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NOx 18.91 g/m3 212.06 g/m3 17/01/2019 19:00 
NO 2.44 g/m3 99.56 g/m3 17/01/2019 19:00 
NO2 15.18 g/m3 64.41 g/m3 17/01/2019 18:00 
O3 38.60 g/m3 68.25 g/m3 17/01/2019 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.