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Index Banded Annual Totals for Swansea:
LOW
103 days
MODERATE
20 days
HIGH
1 day
VERY HIGH
5 days
annual air quality totals for all Swansea monitoring stations

Diffusion Tubes - Nitrogen Dioxide (NO2)

 1332 Carmarthen Road, Fforestfach - facade diffusion tube
2005
Oct 2005 24.80 µg/m3
Nov 2005 29.10 µg/m3
Dec 2005 30.80 µg/m3
Average 2005 28.23 µg/m3
2006
Jan 2006 30.80 µg/m3
Feb 2006 28.00 µg/m3
Mar 2006 19.90 µg/m3
Apr 2006 14.90 µg/m3
May 2006 16.50 µg/m3
Jun 2006 17.40 µg/m3
Jul 2006 13.00 µg/m3
Aug 2006 10.80 µg/m3
Sep 2006 15.70 µg/m3
Oct 2006 25.40 µg/m3
Nov 2006 26.60 µg/m3
Dec 2006 23.70 µg/m3
Average 2006 20.22 µg/m3
2007
Jan 2007 16.80 µg/m3
Feb 2007 28.70 µg/m3
Mar 2007 19.70 µg/m3
Apr 2007 20.80 µg/m3
May 2007 12.60 µg/m3
Jun 2007 12.70 µg/m3
Jul 2007 11.40 µg/m3
Sep 2007 16.30 µg/m3
Oct 2007 31.40 µg/m3
Nov 2007 26.30 µg/m3
Dec 2007 32.40 µg/m3
Average 2007 20.83 µg/m3
2008
Jan 2008 20.70 µg/m3
Feb 2008 33.60 µg/m3
Apr 2008 18.50 µg/m3
May 2008 27.00 µg/m3
Jun 2008 10.60 µg/m3
Jul 2008 10.10 µg/m3
Aug 2008 4.00 µg/m3
Sep 2008 15.50 µg/m3
Oct 2008 23.70 µg/m3
Nov 2008 22.60 µg/m3
Dec 2008 34.50 µg/m3
Average 2008 20.07 µg/m3
2009
Jan 2009 20.90 µg/m3
Feb 2009 31.70 µg/m3
Mar 2009 18.50 µg/m3
Apr 2009 28.50 µg/m3
Average 2009 24.90 µg/m3
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