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Index Banded Annual Totals for Swansea:
LOW
106 days
MODERATE
12 days
HIGH
1 day
VERY HIGH
5 days
annual air quality totals for all Swansea monitoring stations

Diffusion Tubes - Nitrogen Dioxide (NO2)

 57 Pentremawr Road, Hafod - Facade diffusion tube
2012
Jul 2012 28.40 µg/m3
Aug 2012 32.10 µg/m3
Average 2012 30.25 µg/m3
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