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Index Banded Annual Totals for Swansea:
LOW
days
MODERATE
days
HIGH
days
VERY HIGH
days
annual air quality totals for all Swansea monitoring stations

Diffusion Tubes - Nitrogen Dioxide (NO2)

 72/74 Newton Road, Mumbles - facade diffusion tube
2012
Jan 2012 42.10 µg/m3
Apr 2012 30.70 µg/m3
May 2012 28.60 µg/m3
Jun 2012 15.00 µg/m3
Jul 2012 18.50 µg/m3
Aug 2012 19.80 µg/m3
Average 2012 25.78 µg/m3
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