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Index Banded Annual Totals for Swansea:
LOW
169 days
MODERATE
96 days
HIGH
1 day
VERY HIGH
5 days

Current Readings for Cwm Level Park Ozone and NOx: air quality data

Monitoring station: Cwm Level Park Ozone and NOx
Last updated: GMT 29 Sep 2020 14:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NOx 5.15 g/m3 149.45 g/m3 29/09/2020 07:00 
NO 1.19 g/m3 84.59 g/m3 29/09/2020 07:00 
NO2 3.34 g/m3 25.06 g/m3 28/09/2020 10:00 
O3 0.00 g/m3 0.00 g/m3 29/09/2020 14:00 
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.