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

Diffusion Tubes - Nitrogen Dioxide (NO2)

 48/50 Gower Road - facade diffusion tube
2008
Jul 2008 24.80 µg/m3
Aug 2008 20.50 µg/m3
Sep 2008 35.10 µg/m3
Oct 2008 37.20 µg/m3
Nov 2008 30.50 µg/m3
Dec 2008 32.10 µg/m3
Average 2008 30.03 µg/m3
2009
Jan 2009 35.60 µg/m3
Feb 2009 38.10 µg/m3
Mar 2009 34.60 µg/m3
Apr 2009 33.30 µg/m3
Average 2009 35.40 µg/m3
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