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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)

 289 Neath Road, Landore - facade diffusion tube
2005
Oct 2005 37.70 µg/m3
Nov 2005 48.30 µg/m3
Dec 2005 50.40 µg/m3
Average 2005 45.47 µg/m3
2006
Jan 2006 51.40 µg/m3
Feb 2006 45.20 µg/m3
Mar 2006 32.50 µg/m3
Apr 2006 36.30 µg/m3
May 2006 35.20 µg/m3
Jul 2006 34.90 µg/m3
Aug 2006 22.90 µg/m3
Sep 2006 39.00 µg/m3
Oct 2006 40.80 µg/m3
Nov 2006 47.50 µg/m3
Dec 2006 43.20 µg/m3
Average 2006 38.99 µg/m3
2007
Jan 2007 35.70 µg/m3
Feb 2007 49.70 µg/m3
Mar 2007 34.00 µg/m3
May 2007 27.50 µg/m3
Jun 2007 33.00 µg/m3
Jul 2007 26.60 µg/m3
Aug 2007 29.30 µg/m3
Sep 2007 32.30 µg/m3
Oct 2007 51.50 µg/m3
Nov 2007 53.00 µg/m3
Dec 2007 49.10 µg/m3
Average 2007 38.34 µg/m3
2008
Jan 2008 43.00 µg/m3
Feb 2008 53.00 µg/m3
Mar 2008 36.80 µg/m3
Apr 2008 37.80 µg/m3
May 2008 39.30 µg/m3
Jun 2008 19.50 µg/m3
Aug 2008 30.10 µg/m3
Sep 2008 38.20 µg/m3
Oct 2008 42.40 µg/m3
Nov 2008 45.60 µg/m3
Dec 2008 53.90 µg/m3
Average 2008 39.96 µg/m3
2009
Jan 2009 43.50 µg/m3
Feb 2009 50.70 µg/m3
Mar 2009 42.30 µg/m3
Apr 2009 41.90 µg/m3
Average 2009 44.60 µg/m3
2012
Jan 2012 43.80 µg/m3
Apr 2012 32.60 µg/m3
May 2012 29.90 µg/m3
Jun 2012 29.20 µg/m3
Jul 2012 24.80 µg/m3
Aug 2012 28.70 µg/m3
Average 2012 31.50 µg/m3
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