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

Diffusion Tubes - Nitrogen Dioxide (NO2)

 Newcut Road - facade diffusion tube
2007
Oct 2007 82.00 µg/m3
Nov 2007 85.50 µg/m3
Dec 2007 71.60 µg/m3
Average 2007 79.70 µg/m3
2008
Jan 2008 63.40 µg/m3
Feb 2008 75.50 µg/m3
Mar 2008 61.80 µg/m3
Apr 2008 57.00 µg/m3
May 2008 58.70 µg/m3
Jun 2008 47.60 µg/m3
Jul 2008 46.00 µg/m3
Aug 2008 35.10 µg/m3
Sep 2008 28.80 µg/m3
Oct 2008 63.60 µg/m3
Nov 2008 73.30 µg/m3
Dec 2008 41.00 µg/m3
Average 2008 54.32 µg/m3
2009
Jan 2009 57.30 µg/m3
Feb 2009 68.30 µg/m3
Mar 2009 68.80 µg/m3
Apr 2009 62.10 µg/m3
Average 2009 64.13 µg/m3
2012
Jan 2012 50.80 µg/m3
Apr 2012 44.80 µg/m3
May 2012 38.90 µg/m3
Jun 2012 34.60 µg/m3
Jul 2012 35.90 µg/m3
Aug 2012 28.60 µg/m3
Average 2012 38.93 µg/m3
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