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Index Banded Annual Totals for Swansea:
LOW
101 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)

 6 Cwm Level Road, Landore - facade diffusion tube
2005
Oct 2005 64.80 µg/m3
Nov 2005 49.30 µg/m3
Dec 2005 64.50 µg/m3
Average 2005 59.53 µg/m3
2006
Jan 2006 65.10 µg/m3
Feb 2006 62.00 µg/m3
Mar 2006 52.00 µg/m3
Apr 2006 48.00 µg/m3
May 2006 48.10 µg/m3
Jun 2006 49.10 µg/m3
Jul 2006 50.40 µg/m3
Aug 2006 31.60 µg/m3
Sep 2006 57.60 µg/m3
Oct 2006 61.20 µg/m3
Dec 2006 20.10 µg/m3
Average 2006 49.56 µg/m3
2007
Feb 2007 70.20 µg/m3
Mar 2007 50.70 µg/m3
Apr 2007 61.00 µg/m3
May 2007 39.30 µg/m3
Jun 2007 40.40 µg/m3
Jul 2007 34.80 µg/m3
Aug 2007 36.90 µg/m3
Sep 2007 46.20 µg/m3
Oct 2007 75.10 µg/m3
Nov 2007 64.70 µg/m3
Dec 2007 67.70 µg/m3
Average 2007 53.36 µg/m3
2008
Jan 2008 51.90 µg/m3
Feb 2008 78.00 µg/m3
Mar 2008 49.00 µg/m3
Apr 2008 57.60 µg/m3
May 2008 77.70 µg/m3
Jun 2008 42.70 µg/m3
Jul 2008 43.70 µg/m3
Aug 2008 41.10 µg/m3
Sep 2008 62.40 µg/m3
Oct 2008 52.80 µg/m3
Nov 2008 41.70 µg/m3
Dec 2008 67.10 µg/m3
Average 2008 55.47 µg/m3
2009
Jan 2009 69.50 µg/m3
Feb 2009 67.80 µg/m3
Mar 2009 64.10 µg/m3
Apr 2009 68.80 µg/m3
Average 2009 67.55 µg/m3
2012
Jan 2012 60.10 µg/m3
Apr 2012 41.40 µg/m3
May 2012 46.80 µg/m3
Jun 2012 45.30 µg/m3
Jul 2012 35.00 µg/m3
Aug 2012 37.30 µg/m3
Average 2012 44.32 µg/m3
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