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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)

 1379 Neath Road, Landore - facade diffusion tube
2005
Oct 2005 61.50 µg/m3
Nov 2005 61.20 µg/m3
Dec 2005 66.20 µg/m3
Average 2005 62.97 µg/m3
2006
Jan 2006 53.90 µg/m3
Feb 2006 62.40 µg/m3
Mar 2006 44.40 µg/m3
Apr 2006 52.70 µg/m3
Jul 2006 39.60 µg/m3
Aug 2006 30.90 µg/m3
Sep 2006 52.50 µg/m3
Oct 2006 54.00 µg/m3
Nov 2006 57.00 µg/m3
Dec 2006 53.10 µg/m3
Average 2006 50.05 µg/m3
2007
Jan 2007 46.60 µg/m3
Feb 2007 55.10 µg/m3
Mar 2007 45.10 µg/m3
Apr 2007 53.50 µg/m3
May 2007 34.90 µg/m3
Jun 2007 45.30 µg/m3
Jul 2007 34.20 µg/m3
Aug 2007 39.90 µg/m3
Sep 2007 40.80 µg/m3
Oct 2007 60.50 µg/m3
Nov 2007 55.40 µg/m3
Dec 2007 58.30 µg/m3
Average 2007 47.47 µg/m3
2008
Jan 2008 55.00 µg/m3
Feb 2008 64.50 µg/m3
Mar 2008 38.00 µg/m3
Apr 2008 49.40 µg/m3
May 2008 55.70 µg/m3
Jun 2008 32.20 µg/m3
Jul 2008 33.80 µg/m3
Aug 2008 33.70 µg/m3
Sep 2008 45.60 µg/m3
Oct 2008 51.10 µg/m3
Nov 2008 44.00 µg/m3
Dec 2008 56.30 µg/m3
Average 2008 46.61 µg/m3
2009
Jan 2009 57.10 µg/m3
Feb 2009 59.20 µg/m3
Mar 2009 83.60 µg/m3
Apr 2009 52.80 µg/m3
Average 2009 63.17 µg/m3
2012
Jan 2012 50.80 µg/m3
Apr 2012 37.40 µg/m3
May 2012 30.40 µg/m3
Jun 2012 38.00 µg/m3
Jul 2012 32.50 µg/m3
Aug 2012 37.50 µg/m3
Average 2012 37.77 µg/m3
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