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Index Banded Annual Totals for Swansea:
LOW
226 days
MODERATE
90 days
HIGH
2 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 14 Nov 2019 04:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NOx 3.25 g/m3 297.57 g/m3 13/11/2019 09:00 
NO 0.37 g/m3 164.94 g/m3 13/11/2019 09:00 
NO2 2.67 g/m3 45.55 g/m3 13/11/2019 09:00 
O3 45.10 g/m3 73.55 g/m3 12/11/2019 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.