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Index Banded Annual Totals for Swansea:
LOW
93 days
MODERATE
18 days
HIGH
1 day
VERY HIGH
4 days
annual air quality totals for all Swansea monitoring stations

Diffusion Tubes - Nitrogen Dioxide (NO2)

 Fountain Inn, Woodfield Road - facade diffusion tube
2005
Nov 2005 51.90 µg/m3
Dec 2005 55.70 µg/m3
Average 2005 53.80 µg/m3
2006
Jan 2006 63.50 µg/m3
Feb 2006 53.90 µg/m3
Mar 2006 47.70 µg/m3
Apr 2006 40.30 µg/m3
May 2006 38.50 µg/m3
Jun 2006 41.20 µg/m3
Jul 2006 43.90 µg/m3
Aug 2006 28.40 µg/m3
Sep 2006 47.60 µg/m3
Oct 2006 50.00 µg/m3
Nov 2006 49.40 µg/m3
Dec 2006 42.60 µg/m3
Average 2006 45.58 µg/m3
2007
Jan 2007 2.10 µg/m3
Feb 2007 57.40 µg/m3
Mar 2007 45.20 µg/m3
Apr 2007 54.30 µg/m3
May 2007 28.80 µg/m3
Jun 2007 32.40 µg/m3
Jul 2007 28.60 µg/m3
Aug 2007 36.40 µg/m3
Sep 2007 41.00 µg/m3
Oct 2007 44.40 µg/m3
Nov 2007 51.10 µg/m3
Average 2007 38.34 µg/m3
2008
Jan 2008 50.10 µg/m3
Feb 2008 60.10 µg/m3
Mar 2008 43.50 µg/m3
Apr 2008 46.80 µg/m3
May 2008 60.50 µg/m3
Jun 2008 31.70 µg/m3
Jul 2008 36.50 µg/m3
Aug 2008 30.50 µg/m3
Sep 2008 42.80 µg/m3
Oct 2008 48.00 µg/m3
Nov 2008 49.30 µg/m3
Dec 2008 53.00 µg/m3
Average 2008 46.07 µg/m3
2009
Jan 2009 62.40 µg/m3
Feb 2009 56.70 µg/m3
Mar 2009 67.20 µg/m3
Apr 2009 53.40 µg/m3
Average 2009 59.93 µg/m3
2012
Jan 2012 51.40 µg/m3
Apr 2012 33.20 µg/m3
May 2012 42.60 µg/m3
Jun 2012 37.10 µg/m3
Jul 2012 29.80 µg/m3
Aug 2012 36.90 µg/m3
Average 2012 38.50 µg/m3
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