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Index Banded Annual Totals for Swansea:
LOW
99 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)

 64/66 Gower Road (above garages) - facade diffusion tube
2008
Jul 2008 14.60 µg/m3
Aug 2008 24.90 µg/m3
Sep 2008 42.60 µg/m3
Oct 2008 43.50 µg/m3
Nov 2008 44.70 µg/m3
Dec 2008 40.80 µg/m3
Average 2008 35.18 µg/m3
2009
Jan 2009 36.10 µg/m3
Feb 2009 46.00 µg/m3
Mar 2009 38.00 µg/m3
Apr 2009 37.90 µg/m3
Average 2009 39.50 µg/m3
2012
Jan 2012 47.50 µg/m3
Apr 2012 30.20 µg/m3
May 2012 29.90 µg/m3
Jun 2012 26.40 µg/m3
Jul 2012 22.50 µg/m3
Aug 2012 25.90 µg/m3
Average 2012 30.40 µg/m3
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