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Index Banded Annual Totals for Swansea:
LOW
97 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)

 L/Post outside CK's 73 High Street - Lamppost diffusion tube
2008
Jul 2008 82.30 µg/m3
Aug 2008 81.90 µg/m3
Sep 2008 92.90 µg/m3
Oct 2008 117.10 µg/m3
Nov 2008 111.60 µg/m3
Dec 2008 104.00 µg/m3
Average 2008 98.30 µg/m3
2009
Jan 2009 93.80 µg/m3
Feb 2009 92.80 µg/m3
Mar 2009 104.40 µg/m3
Apr 2009 90.30 µg/m3
Average 2009 95.33 µg/m3
2012
Jan 2012 63.30 µg/m3
Apr 2012 54.70 µg/m3
May 2012 44.90 µg/m3
Jun 2012 54.30 µg/m3
Jul 2012 61.30 µg/m3
Aug 2012 56.70 µg/m3
Average 2012 55.87 µg/m3
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