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Index Banded Annual Totals for Swansea:
LOW
98 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)

 96/98 Gower Road (Sketty Travel) - facade diffusion tube
2008
Jul 2008 31.60 µg/m3
Aug 2008 29.00 µg/m3
Sep 2008 45.00 µg/m3
Oct 2008 49.50 µg/m3
Nov 2008 50.00 µg/m3
Dec 2008 53.10 µg/m3
Average 2008 43.03 µg/m3
2009
Jan 2009 52.50 µg/m3
Feb 2009 55.40 µg/m3
Mar 2009 48.10 µg/m3
Apr 2009 51.00 µg/m3
Average 2009 51.75 µg/m3
2012
Jan 2012 52.50 µg/m3
Apr 2012 32.30 µg/m3
May 2012 29.90 µg/m3
Jun 2012 26.50 µg/m3
Jul 2012 25.00 µg/m3
Aug 2012 38.30 µg/m3
Average 2012 34.08 µg/m3
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