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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)

 1st Floor, The Bays, Mackworth Court, High Street - facade diffusion tube
2012
Jan 2012 62.20 µg/m3
Apr 2012 48.70 µg/m3
May 2012 45.00 µg/m3
Jun 2012 41.90 µg/m3
Jul 2012 36.40 µg/m3
Aug 2012 40.30 µg/m3
Average 2012 45.75 µg/m3
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