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

Diffusion Tubes - Nitrogen Dioxide (NO2)

 15 Uplands Crescent - facade diffusion tube
2008
Jul 2008 45.10 µg/m3
Aug 2008 31.70 µg/m3
Sep 2008 48.40 µg/m3
Oct 2008 35.80 µg/m3
Nov 2008 45.10 µg/m3
Dec 2008 40.90 µg/m3
Average 2008 41.17 µg/m3
2009
Jan 2009 46.60 µg/m3
Feb 2009 55.60 µg/m3
Mar 2009 40.60 µg/m3
Apr 2009 69.50 µg/m3
Average 2009 53.07 µg/m3
2012
Jan 2012 56.30 µg/m3
Apr 2012 33.60 µg/m3
May 2012 31.90 µg/m3
Jun 2012 41.90 µg/m3
Jul 2012 30.70 µg/m3
Aug 2012 38.40 µg/m3
Average 2012 38.80 µg/m3
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