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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)

 13 Gower Road - facade diffusion tube
2008
Jul 2008 40.80 µg/m3
Aug 2008 37.70 µg/m3
Sep 2008 50.50 µg/m3
Oct 2008 55.60 µg/m3
Nov 2008 48.40 µg/m3
Dec 2008 41.50 µg/m3
Average 2008 45.75 µg/m3
2009
Jan 2009 50.70 µg/m3
Feb 2009 52.90 µg/m3
Mar 2009 50.40 µg/m3
Apr 2009 61.30 µg/m3
Average 2009 53.83 µg/m3
2012
Jan 2012 52.40 µg/m3
Apr 2012 36.30 µg/m3
May 2012 33.70 µg/m3
Jun 2012 42.10 µg/m3
Jul 2012 45.20 µg/m3
Aug 2012 37.70 µg/m3
Average 2012 41.23 µg/m3
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