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Index Banded Annual Totals for Swansea:
LOW
130 days
MODERATE
40 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 24 Jun 2024 14:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NOx 10.98 g/m3 39.10 g/m3 23/06/2024 21:00 
NO 2.90 g/m3 6.75 g/m3 23/06/2024 21:00 
NO2 6.54 g/m3 28.79 g/m3 23/06/2024 21:00 
O3 28.30 g/m3 65.65 g/m3 22/06/2024 22:00 
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.