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Index Banded Annual Totals for Swansea:
LOW
103 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)

 Lloyds TSB 30 The Kingsway - facade diffusion tube
2008
Oct 2008 47.70 µg/m3
Nov 2008 58.90 µg/m3
Dec 2008 50.20 µg/m3
Average 2008 52.27 µg/m3
2009
Jan 2009 32.40 µg/m3
Feb 2009 58.70 µg/m3
Mar 2009 54.80 µg/m3
Apr 2009 35.80 µg/m3
Average 2009 45.43 µg/m3
2012
Jan 2012 66.50 µg/m3
Apr 2012 57.40 µg/m3
May 2012 39.60 µg/m3
Jun 2012 35.10 µg/m3
Jul 2012 37.60 µg/m3
Aug 2012 39.00 µg/m3
Average 2012 45.87 µg/m3
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