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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)

 60 Sketty Road - facade diffusion tube
2007
Oct 2007 50.60 µg/m3
Nov 2007 55.00 µg/m3
Dec 2007 47.30 µg/m3
Average 2007 50.97 µg/m3
2008
Jan 2008 39.00 µg/m3
Mar 2008 37.40 µg/m3
Sep 2008 44.20 µg/m3
Oct 2008 46.70 µg/m3
Nov 2008 31.10 µg/m3
Dec 2008 44.90 µg/m3
Average 2008 40.55 µg/m3
2009
Feb 2009 47.60 µg/m3
Mar 2009 46.00 µg/m3
Apr 2009 46.90 µg/m3
Average 2009 46.83 µg/m3
2012
Jan 2012 43.70 µg/m3
Apr 2012 37.00 µg/m3
May 2012 29.70 µg/m3
Jun 2012 20.70 µg/m3
Jul 2012 24.20 µg/m3
Aug 2012 24.80 µg/m3
Average 2012 30.02 µg/m3
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