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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)

 1034 Carmarthen Road, Fforestfach - facade diffusion tube
2005
Oct 2005 47.50 µg/m3
Nov 2005 55.60 µg/m3
Dec 2005 60.30 µg/m3
Average 2005 54.47 µg/m3
2006
Jan 2006 56.70 µg/m3
Feb 2006 55.60 µg/m3
Mar 2006 42.50 µg/m3
Apr 2006 43.30 µg/m3
May 2006 44.50 µg/m3
Jun 2006 48.90 µg/m3
Jul 2006 44.50 µg/m3
Aug 2006 41.90 µg/m3
Sep 2006 47.40 µg/m3
Oct 2006 48.00 µg/m3
Nov 2006 60.70 µg/m3
Dec 2006 48.00 µg/m3
Average 2006 48.50 µg/m3
2007
Jan 2007 44.50 µg/m3
Feb 2007 53.00 µg/m3
Mar 2007 45.20 µg/m3
Apr 2007 58.40 µg/m3
May 2007 44.30 µg/m3
Jun 2007 55.00 µg/m3
Jul 2007 43.10 µg/m3
Aug 2007 45.30 µg/m3
Sep 2007 48.30 µg/m3
Oct 2007 69.50 µg/m3
Nov 2007 71.20 µg/m3
Dec 2007 57.00 µg/m3
Average 2007 52.90 µg/m3
2008
Jan 2008 46.90 µg/m3
Feb 2008 62.60 µg/m3
Mar 2008 51.50 µg/m3
Apr 2008 47.10 µg/m3
May 2008 64.10 µg/m3
Jun 2008 41.20 µg/m3
Jul 2008 46.10 µg/m3
Aug 2008 31.90 µg/m3
Sep 2008 56.80 µg/m3
Oct 2008 52.80 µg/m3
Nov 2008 61.90 µg/m3
Dec 2008 65.80 µg/m3
Average 2008 52.39 µg/m3
2009
Jan 2009 57.80 µg/m3
Feb 2009 79.40 µg/m3
Mar 2009 64.10 µg/m3
Apr 2009 58.30 µg/m3
Average 2009 64.90 µg/m3
2012
Jan 2012 57.00 µg/m3
Apr 2012 49.00 µg/m3
May 2012 43.80 µg/m3
Jun 2012 37.90 µg/m3
Jul 2012 35.50 µg/m3
Aug 2012 38.80 µg/m3
Average 2012 43.67 µg/m3
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