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Index Banded Annual Totals for Swansea:
LOW
114 days
MODERATE
85 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 20 Jul 2019 18:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NOx 1.67 g/m3 10.50 g/m3 19/07/2019 08:00 
NO 0.59 g/m3 2.28 g/m3 19/07/2019 08:00 
NO2 0.76 g/m3 7.64 g/m3 19/07/2019 07:00 
O3 36.00 g/m3 52.70 g/m3 20/07/2019 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.