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Index Banded Annual Totals for Swansea:
LOW
102 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)

 1184 Neath Road, Landore - facade diffusion tube
2005
Oct 2005 44.00 µg/m3
Average 2005 44.00 µg/m3
2006
Jan 2006 52.80 µg/m3
Feb 2006 50.40 µg/m3
Mar 2006 38.10 µg/m3
Apr 2006 31.00 µg/m3
May 2006 37.00 µg/m3
Jun 2006 38.30 µg/m3
Jul 2006 41.10 µg/m3
Aug 2006 21.40 µg/m3
Sep 2006 38.90 µg/m3
Oct 2006 41.70 µg/m3
Nov 2006 45.70 µg/m3
Dec 2006 48.30 µg/m3
Average 2006 40.39 µg/m3
2007
Jan 2007 33.10 µg/m3
Feb 2007 51.30 µg/m3
Mar 2007 38.10 µg/m3
Apr 2007 53.50 µg/m3
May 2007 28.80 µg/m3
Jun 2007 33.70 µg/m3
Aug 2007 29.50 µg/m3
Sep 2007 32.50 µg/m3
Oct 2007 53.10 µg/m3
Nov 2007 49.70 µg/m3
Dec 2007 53.00 µg/m3
Average 2007 41.48 µg/m3
2008
Jan 2008 45.60 µg/m3
Feb 2008 61.20 µg/m3
Mar 2008 30.70 µg/m3
Apr 2008 44.70 µg/m3
May 2008 55.10 µg/m3
Jun 2008 19.40 µg/m3
Jul 2008 22.30 µg/m3
Aug 2008 28.20 µg/m3
Sep 2008 45.20 µg/m3
Oct 2008 41.80 µg/m3
Nov 2008 47.10 µg/m3
Dec 2008 42.80 µg/m3
Average 2008 40.34 µg/m3
2009
Jan 2009 54.00 µg/m3
Feb 2009 44.10 µg/m3
Mar 2009 46.70 µg/m3
Apr 2009 43.90 µg/m3
Average 2009 47.18 µg/m3
2012
Jan 2012 38.30 µg/m3
Apr 2012 29.00 µg/m3
May 2012 33.60 µg/m3
Jun 2012 31.90 µg/m3
Jul 2012 25.00 µg/m3
Aug 2012 26.50 µg/m3
Average 2012 30.72 µg/m3
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