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Index Banded Annual Totals for Swansea:
LOW
93 days
MODERATE
18 days
HIGH
1 day
VERY HIGH
4 days

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

Monitoring station: Cwm Level Park Ozone and NOx
Last updated: GMT 25 Apr 2024 07:00
Measurement Current Value Highest Reading Date and Time of
Highest Reading
NOx 70.81 µg/m3 87.33 µg/m3 24/04/2024 06:00 
NO 22.06 µg/m3 33.28 µg/m3 24/04/2024 06:00 
NO2 37.10 µg/m3 45.88 µg/m3 25/04/2024 06:00 
O3 8.10 µg/m3 81.35 µg/m3 24/04/2024 17:00 
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.