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Index Banded Annual Totals for Swansea:
LOW
51 days
MODERATE
29 days
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 21 Mar 2019 03:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NOx 3.86 g/m3 36.33 g/m3 19/03/2019 06:00 
NO 0.72 g/m3 7.22 g/m3 19/03/2019 06:00 
NO2 2.77 g/m3 25.30 g/m3 19/03/2019 06:00 
O3 37.60 g/m3 88.75 g/m3 19/03/2019 16:00 
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.