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Index Banded Annual Totals for Swansea:
LOW
227 days
MODERATE
96 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 21 Nov 2018 18:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NOx 93.25 g/m3 142.43 g/m3 21/11/2018 08:00 
NO 40.00 g/m3 71.28 g/m3 21/11/2018 08:00 
NO2 32.13 g/m3 41.20 g/m3 21/11/2018 17:00 
O3 1.50 g/m3 53.25 g/m3 19/11/2018 23:00 
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.