Font size too small?   Increase Font size | Decrease font size | See other Accessibility Options.
Index Banded Annual Totals for Swansea:
LOW
101 days
MODERATE
14 days
HIGH
1 day
VERY HIGH
5 days
annual air quality totals for all Swansea monitoring stations

Diffusion Tubes - Nitrogen Dioxide (NO2)

 138 Samlet Road, Llansamlet - facade diffusion tube
2005
Oct 2005 35.80 µg/m3
Nov 2005 47.80 µg/m3
Dec 2005 42.20 µg/m3
Average 2005 41.93 µg/m3
2006
Jan 2006 44.10 µg/m3
Feb 2006 38.60 µg/m3
Mar 2006 29.80 µg/m3
Apr 2006 36.50 µg/m3
May 2006 33.50 µg/m3
Jun 2006 39.10 µg/m3
Jul 2006 35.00 µg/m3
Aug 2006 26.40 µg/m3
Sep 2006 36.30 µg/m3
Oct 2006 38.30 µg/m3
Nov 2006 43.80 µg/m3
Dec 2006 44.00 µg/m3
Average 2006 37.12 µg/m3
2007
Jan 2007 35.00 µg/m3
Feb 2007 42.90 µg/m3
Mar 2007 31.20 µg/m3
Apr 2007 34.90 µg/m3
May 2007 26.50 µg/m3
Jun 2007 17.70 µg/m3
Jul 2007 27.40 µg/m3
Aug 2007 38.30 µg/m3
Sep 2007 31.40 µg/m3
Oct 2007 46.60 µg/m3
Nov 2007 42.40 µg/m3
Dec 2007 48.50 µg/m3
Average 2007 35.23 µg/m3
2008
Jan 2008 45.00 µg/m3
Feb 2008 51.90 µg/m3
Mar 2008 41.00 µg/m3
Apr 2008 37.20 µg/m3
May 2008 38.50 µg/m3
Jun 2008 29.20 µg/m3
Jul 2008 29.00 µg/m3
Aug 2008 31.80 µg/m3
Sep 2008 37.10 µg/m3
Oct 2008 43.20 µg/m3
Nov 2008 44.10 µg/m3
Dec 2008 49.00 µg/m3
Average 2008 39.75 µg/m3
2009
Jan 2009 43.90 µg/m3
Feb 2009 44.00 µg/m3
Mar 2009 38.70 µg/m3
Apr 2009 41.00 µg/m3
Average 2009 41.90 µg/m3
2012
Jan 2012 46.10 µg/m3
Apr 2012 26.10 µg/m3
May 2012 29.80 µg/m3
Jun 2012 27.50 µg/m3
Jul 2012 25.50 µg/m3
Aug 2012 24.40 µg/m3
Average 2012 29.90 µg/m3
Alternative views:
Select a location:
Other monitoring stations:
Related links: