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

Diffusion Tubes - Nitrogen Dioxide (NO2)

 213 Llangyfelach Road, Hafod - Facade diffusion tube
2012
Jan 2012 70.50 µg/m3
Apr 2012 51.10 µg/m3
May 2012 65.90 µg/m3
Average 2012 62.50 µg/m3
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