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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)

 1399 Neath Road, Landore - facade diffusion tube
2005
Oct 2005 44.70 µg/m3
Nov 2005 38.20 µg/m3
Dec 2005 61.60 µg/m3
Average 2005 48.17 µg/m3
2006
Jan 2006 66.70 µg/m3
Feb 2006 58.60 µg/m3
Mar 2006 52.20 µg/m3
Apr 2006 43.50 µg/m3
May 2006 46.40 µg/m3
Jun 2006 48.90 µg/m3
Jul 2006 44.90 µg/m3
Aug 2006 30.10 µg/m3
Sep 2006 49.80 µg/m3
Oct 2006 55.30 µg/m3
Nov 2006 52.50 µg/m3
Dec 2006 54.30 µg/m3
Average 2006 50.27 µg/m3
2007
Jan 2007 45.00 µg/m3
Feb 2007 55.80 µg/m3
Mar 2007 55.40 µg/m3
Apr 2007 58.00 µg/m3
May 2007 33.70 µg/m3
Jun 2007 43.80 µg/m3
Jul 2007 33.10 µg/m3
Aug 2007 40.00 µg/m3
Sep 2007 44.60 µg/m3
Oct 2007 55.10 µg/m3
Nov 2007 54.70 µg/m3
Dec 2007 61.00 µg/m3
Average 2007 48.35 µg/m3
2008
Jan 2008 57.20 µg/m3
Feb 2008 65.30 µg/m3
Mar 2008 46.50 µg/m3
Apr 2008 51.10 µg/m3
May 2008 70.90 µg/m3
Jun 2008 36.20 µg/m3
Jul 2008 37.40 µg/m3
Aug 2008 38.60 µg/m3
Sep 2008 49.50 µg/m3
Oct 2008 54.30 µg/m3
Nov 2008 55.20 µg/m3
Dec 2008 55.00 µg/m3
Average 2008 51.43 µg/m3
2009
Jan 2009 63.90 µg/m3
Feb 2009 61.70 µg/m3
Mar 2009 56.50 µg/m3
Apr 2009 55.50 µg/m3
Average 2009 59.40 µg/m3
2012
Jan 2012 55.60 µg/m3
Apr 2012 40.20 µg/m3
May 2012 42.40 µg/m3
Jun 2012 31.10 µg/m3
Jul 2012 32.10 µg/m3
Aug 2012 36.80 µg/m3
Average 2012 39.70 µg/m3
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